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authorJonathan Corbet <corbet@lwn.net>2008-05-18 15:40:00 -0600
committerJonathan Corbet <corbet@lwn.net>2008-06-20 14:05:53 -0600
commit9514dff918b947ae43b66517dc90d0e05548bd6a (patch)
tree3aa6a3ece62d2304f472e9d4aba5ce339f904492 /fs/char_dev.c
parenta30427d92d0bc152b833088e4a305bbeb1a0c162 (diff)
downloadlinux-9514dff918b947ae43b66517dc90d0e05548bd6a.tar.gz
Remove the lock_kernel() call from chrdev_open()
All in-kernel char device open() functions now either have their own lock_kernel() calls or clearly do not need one. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'fs/char_dev.c')
-rw-r--r--fs/char_dev.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c
index a54d69369b2..3cb7cda3d78 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -394,11 +394,8 @@ static int chrdev_open(struct inode *inode, struct file *filp)
cdev_put(p);
return -ENXIO;
}
- if (filp->f_op->open) {
- lock_kernel();
+ if (filp->f_op->open)
ret = filp->f_op->open(inode,filp);
- unlock_kernel();
- }
if (ret)
cdev_put(p);
return ret;