[PATCH 1/1] f2fs: correctly check empty xattr key

From: Taesoo Kim
Date: Fri Mar 20 2015 - 00:19:19 EST


When xattr name (key) is empty (""), correctly return -EINVAL
error. xattr_advise_set/get() seem to make the same mistake.

Signed-off-by: Taesoo Kim <tsgatesv@xxxxxxxxx>
---
fs/f2fs/xattr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 5072bf9..6b1fbc4 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -132,7 +132,7 @@ static int f2fs_xattr_advise_get(struct dentry *dentry, const char *name,
{
struct inode *inode = dentry->d_inode;

- if (strcmp(name, "") != 0)
+ if (strcmp(name, "") == 0)
return -EINVAL;

*((char *)buffer) = F2FS_I(inode)->i_advise;
@@ -144,7 +144,7 @@ static int f2fs_xattr_advise_set(struct dentry *dentry, const char *name,
{
struct inode *inode = dentry->d_inode;

- if (strcmp(name, "") != 0)
+ if (strcmp(name, "") == 0)
return -EINVAL;
if (!inode_owner_or_capable(inode))
return -EPERM;
--
2.3.3

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