If we take the 2nd retry path in ext4_expand_extra_isize_ea, we potentionally
return from the function without having freed these allocations.
If we don't do the return, we over-write the previous allocation pointers, 
so we leak either way.

Spotted with Coverity.

Signed-off-by: Dave Jones <da...@fedoraproject.org>

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index c081e34..f3a6220 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1350,6 +1350,8 @@ retry:
                                    s_min_extra_isize) {
                                        tried_min_extra_isize++;
                                        new_extra_isize = s_min_extra_isize;
+                                       kfree(is);
+                                       kfree(bs);
                                        goto retry;
                                }
                                error = -1;
--
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