[PATCH 4.6 027/121] affs: fix remount failure when there are no options changed

4.6-stable review patch. If anyone has any objections, please let me know. -- From: Mikulas Patocka commit 01d6e08711bf90bc4d7ead14a93a0cbd73b1896a upstream. Commit c8f33d0bec99 ("affs: kstrdup() memory handling") checks if the kstrdup function returns

[PATCH 4.6 027/121] affs: fix remount failure when there are no options changed

4.6-stable review patch. If anyone has any objections, please let me know. -- From: Mikulas Patocka commit 01d6e08711bf90bc4d7ead14a93a0cbd73b1896a upstream. Commit c8f33d0bec99 ("affs: kstrdup() memory handling") checks if the kstrdup function returns NULL due to