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authorArnd Bergmann <arnd@arndb.de>2011-10-20 18:30:25 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-20 18:30:25 +0200
commit995a0605a6665858d73f9e80053414909be33f27 (patch)
treefcc66a6a77acdaae492f77c0c58c0233db74a2b4 /fs/btrfs/xattr.c
parenta32750c2ca6f697903b19063fc86f4272865e3a1 (diff)
parent677d3e2f07d1b3d6d2f76fd5552d16a53b9236a0 (diff)
Merge branch 'at91/trng' into next/driver
Diffstat (limited to 'fs/btrfs/xattr.c')
-rw-r--r--fs/btrfs/xattr.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index d733b9cfea34..69565e5fc6a0 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -116,6 +116,12 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
if (ret)
goto out;
btrfs_release_path(path);
+
+ /*
+ * remove the attribute
+ */
+ if (!value)
+ goto out;
}
again:
@@ -158,6 +164,9 @@ out:
return ret;
}
+/*
+ * @value: "" makes the attribute to empty, NULL removes it
+ */
int __btrfs_setxattr(struct btrfs_trans_handle *trans,
struct inode *inode, const char *name,
const void *value, size_t size, int flags)