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Commit 65dc8145 authored by Michael Halcrow's avatar Michael Halcrow Committed by Linus Torvalds
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[PATCH] eCryptfs: no path_release() after path_lookup() error 



Dmitriy Monakhov wrote:
> if path_lookup() return non zero code we don't have to worry about
> 'nd' parameter, but ecryptfs_read_super does path_release(&nd) after
> path_lookup has failed, and dentry counter becomes negative

Do not do a path_release after a path_lookup error.

Signed-off-by: default avatarMichael Halcrow <mhalcrow@us.ibm.com>
Cc: Dmitriy Monakhov <dmonakhov@openvz.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1ed6d896

fs/ecryptfs/main.c

+1 −1
Original line number Diff line number Diff line
@@ -487,7 +487,7 @@ static int ecryptfs_read_super(struct super_block *sb, const char *dev_name) 
	rc = path_lookup(dev_name, LOOKUP_FOLLOW, &nd);

	if (rc) {

		ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");

		goto out_free;

		goto out;

	}

	lower_root = nd.dentry;

	if (!lower_root->d_inode) {