diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-08-16 06:32:24 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-08-16 06:32:24 +0200 |
| commit | bbcf6e8b66ab2fb5ddab4d0fe40c2e6a5ebe5301 (patch) | |
| tree | 071fa9f86dc04a16570be367d04cff3b00c694ad /drivers/block/swim.c | |
| parent | sh: Use __GFP_ZERO for dma_generic_alloc_coherent(). (diff) | |
| parent | Linux 2.6.36-rc1 (diff) | |
| download | linux-bbcf6e8b66ab2fb5ddab4d0fe40c2e6a5ebe5301.tar.xz linux-bbcf6e8b66ab2fb5ddab4d0fe40c2e6a5ebe5301.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/sh/include/asm/Kbuild
drivers/Makefile
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/block/swim.c')
| -rw-r--r-- | drivers/block/swim.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/block/swim.c b/drivers/block/swim.c index e463657569ff..2e46815876df 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -20,6 +20,7 @@ #include <linux/fd.h> #include <linux/slab.h> #include <linux/blkdev.h> +#include <linux/smp_lock.h> #include <linux/hdreg.h> #include <linux/kernel.h> #include <linux/delay.h> @@ -661,11 +662,23 @@ out: return err; } +static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) +{ + int ret; + + lock_kernel(); + ret = floppy_open(bdev, mode); + unlock_kernel(); + + return ret; +} + static int floppy_release(struct gendisk *disk, fmode_t mode) { struct floppy_state *fs = disk->private_data; struct swim __iomem *base = fs->swd->base; + lock_kernel(); if (fs->ref_count < 0) fs->ref_count = 0; else if (fs->ref_count > 0) @@ -673,6 +686,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode) if (fs->ref_count == 0) swim_motor(base, OFF); + unlock_kernel(); return 0; } @@ -690,7 +704,9 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode, case FDEJECT: if (fs->ref_count != 1) return -EBUSY; + lock_kernel(); err = floppy_eject(fs); + unlock_kernel(); return err; case FDGETPRM: @@ -751,9 +767,9 @@ static int floppy_revalidate(struct gendisk *disk) static const struct block_device_operations floppy_fops = { .owner = THIS_MODULE, - .open = floppy_open, + .open = floppy_unlocked_open, .release = floppy_release, - .locked_ioctl = floppy_ioctl, + .ioctl = floppy_ioctl, .getgeo = floppy_getgeo, .media_changed = floppy_check_change, .revalidate_disk = floppy_revalidate, |