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| author | David S. Miller <davem@davemloft.net> | 2008-07-18 11:39:39 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 11:39:39 +0200 |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /arch/sh/boards/landisk/gio.c | |
| parent | pkt_sched: Make default qdisc nonshared-multiqueue safe. (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz linux-49997d75152b3d23c53b0fa730599f2f74c92c65.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
Diffstat (limited to 'arch/sh/boards/landisk/gio.c')
| -rw-r--r-- | arch/sh/boards/landisk/gio.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/sh/boards/landisk/gio.c b/arch/sh/boards/landisk/gio.c index 17025080db35..0c15b0a50b99 100644 --- a/arch/sh/boards/landisk/gio.c +++ b/arch/sh/boards/landisk/gio.c @@ -14,6 +14,7 @@ */ #include <linux/module.h> #include <linux/init.h> +#include <linux/smp_lock.h> #include <linux/kdev_t.h> #include <linux/cdev.h> #include <linux/fs.h> @@ -32,17 +33,20 @@ static int openCnt; static int gio_open(struct inode *inode, struct file *filp) { int minor; + int ret = -ENOENT; + lock_kernel(); minor = MINOR(inode->i_rdev); if (minor < DEVCOUNT) { if (openCnt > 0) { - return -EALREADY; + ret = -EALREADY; } else { openCnt++; - return 0; + ret = 0; } } - return -ENOENT; + unlock_kernel(); + return ret; } static int gio_close(struct inode *inode, struct file *filp) |