From d228dee53e858e5e924c8d4d4fd9c1394210e2be Mon Sep 17 00:00:00 2001 From: Konrad Lipinski Date: Wed, 12 Oct 2016 12:54:15 +0200 Subject: [PATCH] kdbus: cmdline emptiness check fix [ This commit re-applies change Ia925fa43bf4c50ab707be98f275b50808782f063 to new kdbus upstream version. ] Signed-off-by: Karol Lewandowski Change-Id: Ia03913a35dba34567c1bd99afbfe138ea7a5d133 --- ipc/kdbus/metadata.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ipc/kdbus/metadata.c b/ipc/kdbus/metadata.c index 71ca475a80d5..106ec26f2882 100644 --- a/ipc/kdbus/metadata.c +++ b/ipc/kdbus/metadata.c @@ -244,7 +244,7 @@ static int kdbus_meta_proc_collect_cmdline(struct kdbus_meta_proc *mp) struct mm_struct *mm = current->mm; char *cmdline; - if (!mm->arg_end) + if (mm->arg_start >= mm->arg_end) return 0; cmdline = strndup_user((const char __user *)mm->arg_start, -- 2.34.1