ceph: don't null-terminate xattr values
For some reason, ceph_setxattr() allocates an extra byte in which a
'\0' is stored past the end of an extended attribute value. This is
not needed, and is potentially misleading, so get rid of it.
Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index a76f697..bfff735 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -730,11 +730,9 @@
goto out;
if (val_len) {
- newval = kmalloc(val_len + 1, GFP_NOFS);
+ newval = kmemdup(value, val_len, GFP_NOFS);
if (!newval)
goto out;
- memcpy(newval, value, val_len);
- newval[val_len] = '\0';
}
xattr = kmalloc(sizeof(struct ceph_inode_xattr), GFP_NOFS);