summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/xattr.c
diff options
context:
space:
mode:
authorRafael J. Wysocki <rjw@sisk.pl>2011-09-26 20:12:45 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2011-09-26 20:12:45 +0200
commit0d41da2e31e81f5c8aaabe17f769de4304b2d4c8 (patch)
tree540acefba9bf01d3880d7bacb767fbf9b1fe80b4 /fs/btrfs/xattr.c
parenta0089bd617adea27ebc352e1e0871649ab1dbaa6 (diff)
parente8b364b88cc4001b21c28c1ecf1e1e3ffbe162e6 (diff)
downloadlinux-0d41da2e31e81f5c8aaabe17f769de4304b2d4c8.tar.bz2
Merge branch 'pm-fixes' into pm-domains
Merge commit e8b364b88cc4001b21c28c1ecf1e1e3ffbe162e6 (PM / Clocks: Do not acquire a mutex under a spinlock) fixing a regression in drivers/base/power/clock_ops.c. Conflicts: drivers/base/power/clock_ops.c
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)