diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 10:43:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 10:43:11 -0700 |
| commit | 5704e44d283e907623e3775c1262f206a2c48cf3 (patch) | |
| tree | 0a981b24173e90854e7b7d812b35859e1e5f0174 /drivers/pnp/isapnp/proc.c | |
| parent | 91151240ed8e97cc4457dae4094153c2744f1eb8 (diff) | |
| parent | 6de5bd128d381ad88ac6d419a5e597048eb468cf (diff) | |
Merge branch 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl:
BKL: introduce CONFIG_BKL.
dabusb: remove the BKL
sunrpc: remove the big kernel lock
init/main.c: remove BKL notations
blktrace: remove the big kernel lock
rtmutex-tester: make it build without BKL
dvb-core: kill the big kernel lock
dvb/bt8xx: kill the big kernel lock
tlclk: remove big kernel lock
fix rawctl compat ioctls breakage on amd64 and itanic
uml: kill big kernel lock
parisc: remove big kernel lock
cris: autoconvert trivial BKL users
alpha: kill big kernel lock
isapnp: BKL removal
s390/block: kill the big kernel lock
hpet: kill BKL, add compat_ioctl
Diffstat (limited to 'drivers/pnp/isapnp/proc.c')
| -rw-r--r-- | drivers/pnp/isapnp/proc.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index 3f94edab25fa..e73ebefdf3e0 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -31,8 +31,9 @@ static struct proc_dir_entry *isapnp_proc_bus_dir = NULL; static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence) { loff_t new = -1; + struct inode *inode = file->f_path.dentry->d_inode; - lock_kernel(); + mutex_lock(&inode->i_mutex); switch (whence) { case 0: new = off; @@ -44,12 +45,12 @@ static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence) new = 256 + off; break; } - if (new < 0 || new > 256) { - unlock_kernel(); - return -EINVAL; - } - unlock_kernel(); - return (file->f_pos = new); + if (new < 0 || new > 256) + new = -EINVAL; + else + file->f_pos = new; + mutex_unlock(&inode->i_mutex); + return new; } static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf, |