ceph: fix potential double free

We re-run the loop but we don't re-set the attrs pointer back to NULL.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Reviewed-by: Alex Elder <elder@inktank.com>

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 785cb30..2c2ae5b 100644 (file)
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -457,6 +457,7 @@ start:
                        for (i = 0; i < numattr; i++)
                                kfree(xattrs[i]);
                        kfree(xattrs);
+                       xattrs = NULL;
                        goto start;
                }
                err = -EIO;