Mikulas Patocka 01d6e08711 affs: fix remount failure when there are no options changed ... Commit c8f33d0bec ("affs: kstrdup() memory handling") checks if the kstrdup function returns NULL due to out-of-memory condition. However, if we are remounting a filesystem with no change to filesystem-specific options, the parameter data is NULL. In this case, kstrdup returns NULL (because it was passed NULL parameter), although no out of memory condition exists. The mount syscall then fails with ENOMEM. This patch fixes the bug. We fail with ENOMEM only if data is non-NULL. The patch also changes the call to replace_mount_options - if we didn't pass any filesystem-specific options, we don't call replace_mount_options (thus we don't erase existing reported options). Fixes: c8f33d0bec ("affs: kstrdup() memory handling") Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org # v4.1+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2016-05-28 16:50:24 -07:00
..
affs.h
amigaffs.c
bitmap.c
Changes
dir.c	simple local filesystems: switch to ->iterate_shared()	2016-05-02 19:49:32 -04:00
file.c
inode.c
Kconfig
Makefile
namei.c
super.c	affs: fix remount failure when there are no options changed	2016-05-28 16:50:24 -07:00
symlink.c