diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 14:48:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 14:48:31 -0700 |
| commit | d1794f2c5b5817eb79ccc5e00701ca748d1b073a (patch) | |
| tree | 5a4c98e694e88a8c82f342d0cc9edb2a4cbbef36 /drivers/mtd/ubi/cdev.c | |
| parent | a41eebab7537890409ea9dfe0fcda9b5fbdb090d (diff) | |
| parent | 2fceef397f9880b212a74c418290ce69e7ac00eb (diff) | |
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits)
IB/umad: BKL is not needed for ib_umad_open()
IB/uverbs: BKL is not needed for ib_uverbs_open()
bf561-coreb: BKL unneeded for open()
Call fasync() functions without the BKL
snd/PCM: fasync BKL pushdown
ipmi: fasync BKL pushdown
ecryptfs: fasync BKL pushdown
Bluetooth VHCI: fasync BKL pushdown
tty_io: fasync BKL pushdown
tun: fasync BKL pushdown
i2o: fasync BKL pushdown
mpt: fasync BKL pushdown
Remove BKL from remote_llseek v2
Make FAT users happier by not deadlocking
x86-mce: BKL pushdown
vmwatchdog: BKL pushdown
vmcp: BKL pushdown
via-pmu: BKL pushdown
uml-random: BKL pushdown
uml-mmapper: BKL pushdown
...
Diffstat (limited to 'drivers/mtd/ubi/cdev.c')
| -rw-r--r-- | drivers/mtd/ubi/cdev.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 9d6aae5449b..89193ba9451 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -39,6 +39,7 @@ #include <linux/stat.h> #include <linux/ioctl.h> #include <linux/capability.h> +#include <linux/smp_lock.h> #include <mtd/ubi-user.h> #include <asm/uaccess.h> #include <asm/div64.h> @@ -103,9 +104,12 @@ static int vol_cdev_open(struct inode *inode, struct file *file) struct ubi_volume_desc *desc; int vol_id = iminor(inode) - 1, mode, ubi_num; + lock_kernel(); ubi_num = ubi_major2num(imajor(inode)); - if (ubi_num < 0) + if (ubi_num < 0) { + unlock_kernel(); return ubi_num; + } if (file->f_mode & FMODE_WRITE) mode = UBI_READWRITE; @@ -115,6 +119,7 @@ static int vol_cdev_open(struct inode *inode, struct file *file) dbg_msg("open volume %d, mode %d", vol_id, mode); desc = ubi_open_volume(ubi_num, vol_id, mode); + unlock_kernel(); if (IS_ERR(desc)) return PTR_ERR(desc); |