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authorJan Blunck <jblunck@suse.de>2008-05-01 04:35:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-01 08:04:01 -0700
commit868eb7a8539d3e8c494209be2b1f4084a274dfef (patch)
tree98fa82b87e638fc7898fd5a73db3e87b5d542d66 /fs/autofs4
parent9d2de6ad2a78bb8b60bf7a54e6043dca44e9a801 (diff)
downloadlinux-868eb7a8539d3e8c494209be2b1f4084a274dfef.tar.gz
autofs: path_{get,put}() cleanups
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>
Diffstat (limited to 'fs/autofs4')
-rw-r--r--fs/autofs4/expire.c2
-rw-r--r--fs/autofs4/root.c12
2 files changed, 7 insertions, 7 deletions
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index cfa12db8f41b..894fee54d4d8 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -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;
 }
 
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 6e250030a690..edf5b6bddb52 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -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);