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Date: Wed, 14 Sep 2016 13:53:36 -0500 From: "Eric W. Biederman" <ebiederm@...ssion.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jslaby@...e.com> Cc: "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, Linux Containers <containers@...ts.linux-foundation.org>, "Eric W. Biederman" <ebiederm@...ssion.com> Subject: [PATCH tty-next 4/6] devpts: Make devpts_kill_sb safe if fsi is NULL Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com> --- fs/devpts/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index a48b40b0bd1e..e058ec677207 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -458,7 +458,8 @@ static void devpts_kill_sb(struct super_block *sb) { struct pts_fs_info *fsi = DEVPTS_SB(sb); - ida_destroy(&fsi->allocated_ptys); + if (fsi) + ida_destroy(&fsi->allocated_ptys); kfree(fsi); kill_litter_super(sb); } -- 2.8.3
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