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* [PATCH] tty: switch to ktermios and new frameworkAlan Cox2006-12-087-127/+297
| | | | | | | | | | | | | | | | | | | | | | | | | | This is the core of the switch to the new framework. I've split it from the driver patches which are mostly search/replace and would encourage people to give this one a good hard stare. The references to BOTHER and ISHIFT are the termios values that must be defined by a platform once it wants to turn on "new style" ioctl support. The code patches here ensure that providing 1. The termios overlays the ktermios in memory 2. The only new kernel only fields are c_ispeed/c_ospeed (or none) the existing behaviour is retained. This is true for the patches at this point in time. Future patches will define BOTHER, ISHIFT and enable newer termios structures for each architecture, and once they are all done some of the ifdefs also vanish. [akpm@osdl.org: warning fix] [akpm@osdl.org: IRDA fix] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] tty: preparatory structures for termios revampAlan Cox2006-12-0821-1/+229
| | | | | | | | | | | | | | | | | | | | In order to sort out our struct termios and add proper speed control we need to separate the kernel and user termios structures. Glibc is fine but the other libraries rely on the kernel exported struct termios and we need to extend this without breaking the ABI/API To do so we add a struct ktermios which is the kernel view of a termios structure and overlaps the struct termios with extra fields on the end for now. (That limitation will go away in later patches). Some platforms (eg alpha) planned ahead and thus use the same struct for both, others did not. This just adds the structures but does not use them, it seems a sensible splitting point for bisect if there are compile failures (not that I expect them) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, remove many prototypesJiri Slaby2006-12-081-131/+91
| | | | | | | | | | | Many prototypes are useless, since functions are declared before they are called. Also some code was easy to move to resolve this dependency and delete prototypes. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, mark functions as initJiri Slaby2006-12-081-8/+8
| | | | | | | | | Use __init macro for functions, that may be freed after initialization. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, uninline functionsJiri Slaby2006-12-081-19/+9
| | | | | | | | | | - Do not inline such long functions, it won't speed up anything. - Remove prototypes of these functions. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, move init/deinitJiri Slaby2006-12-081-136/+120
| | | | | | | | | | | | - Move code from stl_init into module init function, because calling it was the only one thing, that it did. - Move this code to the end of the driver (usual place for this) to resolve dependencies simply -- without prototypes. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, kill typedefsJiri Slaby2006-12-082-243/+239
| | | | | | | | | Typedefs are considered ugly in the kernel. Eliminate them. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, remove unneeded castsJiri Slaby2006-12-081-136/+136
| | | | | | | | | casts of NULL are unnecessary. And so casts to (void *) are. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: stallion, use pr_debug macroJiri Slaby2006-12-081-237/+86
| | | | | | | | | Use pr_debug kernel macro instead of #ifdef DEBUG | printk() | #endif Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mxser-workqueue-fixesAndrew Morton2006-12-081-3/+3
| | | | | | Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mxser_new: correct tty driver nameJiri Slaby2006-12-081-1/+1
| | | | | | | | | | Mxser tty driver name should be ttyMI, not ttyM. Correct this in mxser_new to avoid conflicts with isicom driver, which is ttyM. Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] isicom, mxser MAINTAINERS updateJiri Slaby2006-12-081-0/+12
| | | | | | | | | I can maintain moxa and isicom char drivers, because I've rewritten them to the new API. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, clean macrosJiri Slaby2006-12-081-10/+2
| | | | | | | | Celan redundant macros. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, pci probingJiri Slaby2006-12-081-87/+88
| | | | | | | | | | | Finally, the intention of the patch serie: PCI probing for this driver. add pci_driver structure, (un)register it and add some stuff, which this needs. Remove pdev pointer from board structure, because it's no longer needed. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, delete ttys and termiosJiri Slaby2006-12-081-6/+0
| | | | | | | | | | | | | | - Driver uses global tty_struct array, which tries to assign to the tty_driver's ttys. - the very same thing for termios - the same for termios_locked Kill such constructions. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, correct intr handler protoJiri Slaby2006-12-081-1/+1
| | | | | | | | | | Prototype of the driver's interrupt handler is old-fashioned, past changes tell us, we won't get pt_regs as the 3rd argument. There are only 2 params. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, comments cleanupJiri Slaby2006-12-081-127/+16
| | | | | | | | | | | | | | mxser_new, comments cleanup - Remove commented code, since we have version control. - Remove comments containing "following added by..." and "above added by,..". It's useless. - Align other comments. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, reverse if-else-paths patchJiri Slaby2006-12-081-20/+7
| | | | | | | | | | | | This patch was intorduced in mxser to 1.9.1 conversion, but causes endless sleep in tcdrain userspace call. Thanks to Sergei Organov <osv@javad.com> for testing and pointing this out. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, compact structures, round2Jiri Slaby2006-12-081-167/+109
| | | | | | | | | | Too many structures are in the driver for each type of card. Make only one for all cards and appropriate alter the code. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, register tty devices on the flyJiri Slaby2006-12-081-11/+27
| | | | | | | | | | | | Register tty indexes only for real devices, udev then creates nodes for them (and only for them). Move tty_register_driver before probing, to be correct when calling tty_register_device. Also tell tty layer by tty_driver flags, that we are registering devices. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, compress isa findingJiri Slaby2006-12-081-69/+40
| | | | | | | | | | | ISA cards finding was too complex -- 2 (module params + predefined) absolutely same routines, join them together with one for loop, one if and one indent level. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, don't check tty_unregister retvalJiri Slaby2006-12-081-6/+3
| | | | | | | | | | | Like other drivers silently unregister_tty_driver and put_tty_driver. It shouldn't be busy when module release function is called, since we are not bsd, no refs shouldn't be held. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, correct fail pathsJiri Slaby2006-12-081-25/+24
| | | | | | | | | | Resources were not released in some fail paths. Correct this behaviour by implementing function and calling it when something fails. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, testbit for bit testingJiri Slaby2006-12-081-7/+8
| | | | | | | | | Use testbit like in tty subsystem for TTY_IO_ERROR testing. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, eliminate tty ldisc derefJiri Slaby2006-12-081-10/+2
| | | | | | | | | Use tty_ldisc_flush and tty_wakeup helpers for accessing ldisc internals. Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] char: remove unneded termbits redefinitions (mxser_new)Jiri Slaby2006-12-081-3/+0
| | | | | | | | No need to redefine termbits in char tree. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, CMSPAR is definedJiri Slaby2006-12-081-4/+0
| | | | | | | | | There is no need to have another (ifndeffed) definition of CMSPAR. It's defined in includes. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, code upside downJiri Slaby2006-12-081-1557/+1488
| | | | | | | | | Reorder functions upside down not to have too many prototypes of each function and have some order (similar to other drivers). Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, alter license termsJiri Slaby2006-12-081-12/+4
| | | | | | | | | | - We don't need useless paragraphs in license terms. - Add me to copyright. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, debug printk dependent on DEBUGJiri Slaby2006-12-081-14/+5
| | | | | | | | | Print some debug info only when DEBUG is enabled (use pr_debug macro). Eliminate verbose kernel parameter which takes care of this. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, remove request for testers lineJiri Slaby2006-12-081-3/+0
| | | | | | | | Remove printk with info we are looking for a tester. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, revert spin_lock changesJiri Slaby2006-12-081-12/+0
| | | | | | | | | Some spinlock changes were introduced in 1.9.1 original moxa driver. Revert them, since they cause machine not responding. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, kill unneeded memsetsJiri Slaby2006-12-081-7/+0
| | | | | | | | | | | | | | | mxser_new, kill unneeded memsets There is no need to re-zero static global variables' memory, hence memsets doing this are useless. alloc_tty_struct also zeroes allocated memory: another candidate for removing. This fixes also a bug -- global structures are cleaned up after initialization of some its parts. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] char: mxser_new, check request_region retvalsJiri Slaby2006-12-081-4/+17
| | | | | | | | | | | mxser_new, check request_region retvals Return values of (pci_)request_region should be checked and error should be returned if something is in bad state. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] char: mxser_new, pci_request_region for pci regionsJiri Slaby2006-12-081-6/+4
| | | | | | | | | | | mxser_new, pci_request_region for pci regions Use pci_request_region instead of standard request_region for pci device regions. More checking, simplier use. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] char: mxser_new, use __(dev)init macrosJiri Slaby2006-12-081-4/+4
| | | | | | | | | | mxser_new, use __(dev)init macros Let kernel know what can be freed after init of the driver. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, rework to allow dynamic structsJiri Slaby2006-12-082-628/+584
| | | | | | | | | | | | | This patch is preparation for further patches (pci probing) to allow allocated structures to be private data in pci_dev structure. Union two different structures used in the driver (hw_conf and port/board descriptor) to another 2: port and board not to initialize 2 different things and to have ports contained in board structure. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, upgrade to 1.9.1Jiri Slaby2006-12-082-204/+195
| | | | | | | | | | | | | | | Change cloned experimental driver according to original 1.9.1 moxa driver. Some int->ulong conversions, outb ~UART_IER_THRI constant. Remove commented stuff. I also added printk line with info, if somebody wants to test it, he may contact me as I can potentially debug the driver with him or just to confirm it works properly. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Char: mxser_new, correct include fileJiri Slaby2006-12-081-1/+1
| | | | | | | | | include mxser_new.h instead of original mxser.h Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mxser: session warning fixAndrew Morton2006-12-081-1/+1
| | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mxser: make an experimental cloneJiri Slaby2006-12-084-0/+3649
| | | | | | | | | | | | Clone a new driver for moxa smartio devices by copying mxser.c to mxser_new.c and mxser.h to mxser_new.h. No other changes are made. This is for purposes of updating the driver to the latest vendor version. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mxser: PCI refcountsAlan Cox2006-12-081-2/+6
| | | | | | | | | | | Switch to pci ref counts for mxser when handling PCI devices. Use pci_get_device and drop the reference when we finish and unload. Signed-off-by: Alan Cox <alan@redhat.com> Cc: Greg KH <greg@kroah.com> Cc: <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] mxser: correct tty driver nameJiri Slaby2006-12-081-2/+2
| | | | | | | | | | Mxser tty driver name should be ttyMI, not ttyM. Correct this in mxser to avoid conflicts with isicom driver, which is ttyM. Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic ioremap_page_range: sh64 conversionHaavard Skinnemoen2006-12-081-92/+8
| | | | | | | | | Convert SH64 to use generic ioremap_page_range() Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic ioremap_page_range: sh conversionHaavard Skinnemoen2006-12-081-86/+4
| | | | | | | | | Convert SH to use generic ioremap_page_range() Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic ioremap_page_range: s390 conversionHaavard Skinnemoen2006-12-081-81/+3
| | | | | | | | | Convert S390 to use generic ioremap_page_range() Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic ioremap_page_range: parisc conversionHaavard Skinnemoen2006-12-081-104/+7
| | | | | | | | | Convert parisc to use generic ioremap_page_range() Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] Generic ioremap_page_range: mips conversionHaavard Skinnemoen2006-12-081-88/+8
| | | | | | | | | | Convert MIPS to use generic ioremap_page_range() [yoichi_yuasa@tripeaks.co.jp: build fix] Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] session_of_pgrp: kill unnecessary do_each_task_pid(PIDTYPE_PGID)Oleg Nesterov2006-12-081-11/+8
| | | | | | | | | | | | | | All members of the process group have the same sid and it can't be == 0. NOTE: this code (and a similar one in sys_setpgid) was needed because it was possibe to have ->session == 0. It's not possible any longer since [PATCH] pidhash: don't use zero pids Commit: c7c6464117a02b0d54feb4ebeca4db70fa493678 Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] sys_setpgid: eliminate unnecessary do_each_task_pid(PIDTYPE_PGID)Oleg Nesterov2006-12-081-7/+4
| | | | | | | | | | All tasks in the process group have the same sid, we don't need to iterate them all to check that the caller of sys_setpgid() doesn't change its session. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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