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autofs: path_{get,put}() cleanups

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Here are some more places where path_{get,put}() can be used instead of
dput()/mntput() pair.  Besides that it fixes a bug in autofs4_mount_busy()
where mntput() was called before dput().

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Blunck 2008-05-01 04:35:10 -07:00 committed by Linus Torvalds
parent 9d2de6ad2a
commit 868eb7a853
2 changed files with 7 additions and 7 deletions
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2
fs/autofs4/expire.c
View File

@ -73,8 +73,8 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
status = 0;
done:
DPRINTK("returning = %d", status);
mntput(mnt);
dput(dentry);
mntput(mnt);
return status;
}

12
fs/autofs4/root.c
View File

@ -146,17 +146,17 @@ static int autofs4_dir_open(struct inode *inode, struct file *file)
if (d_mountpoint(dentry)) {
struct file *fp = NULL;
struct vfsmount *fp_mnt = mntget(mnt);
struct dentry *fp_dentry = dget(dentry);
struct path fp_path = { .dentry = dentry, .mnt = mnt };
if (!autofs4_follow_mount(&fp_mnt, &fp_dentry)) {
dput(fp_dentry);
mntput(fp_mnt);
path_get(&fp_path);
if (!autofs4_follow_mount(&fp_path.mnt, &fp_path.dentry)) {
path_put(&fp_path);
dcache_dir_close(inode, file);
goto out;
}
fp = dentry_open(fp_dentry, fp_mnt, file->f_flags);
fp = dentry_open(fp_path.dentry, fp_path.mnt, file->f_flags);
status = PTR_ERR(fp);
if (IS_ERR(fp)) {
dcache_dir_close(inode, file);