Merge tag 'affs-for-4.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave...

Pull affs fix from David Sterba:
 "A potential memory leak fix for AFFS"

* tag 'affs-for-4.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  affs: fix potential memory leak when parsing option 'prefix'

diff --git a/fs/affs/super.c b/fs/affs/super.c
index e602619aed9de905ae6d1fcfb7a02a911dff0f5f..d1ad11a8a4a59c2d7de3e854cfeb8b28716be59d 100644 (file)
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -241,6 +241,7 @@ parse_options(char *options, kuid_t *uid, kgid_t *gid, int *mode, int *reserved,
                        affs_set_opt(*mount_opts, SF_NO_TRUNCATE);
                        break;
                case Opt_prefix:
+                       kfree(*prefix);
                        *prefix = match_strdup(&args[0]);
                        if (!*prefix)
                                return 0;