From c66b23c2840446a82c389e4cb1a12eb2a71fa2e4 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 2 Apr 2018 23:56:44 -0400 Subject: [PATCH] jffs2_kill_sb(): deal with failed allocations jffs2_fill_super() might fail to allocate jffs2_sb_info; jffs2_kill_sb() must survive that. Cc: stable@kernel.org Signed-off-by: Al Viro --- fs/jffs2/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index f60dee7faf03..87bdf0f4cba1 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -342,7 +342,7 @@ static void jffs2_put_super (struct super_block *sb) static void jffs2_kill_sb(struct super_block *sb) { struct jffs2_sb_info *c = JFFS2_SB_INFO(sb); - if (!sb_rdonly(sb)) + if (c && !sb_rdonly(sb)) jffs2_stop_garbage_collect_thread(c); kill_mtd_super(sb); kfree(c);