From 62d6f3b7b85e9ba79c96bfd36f501f180908e623 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 13 Oct 2018 13:26:53 +0300 Subject: [PATCH] sparc: vDSO: Silence an uninitialized variable warning Smatch complains that "val" would be uninitialized if kstrtoul() fails. Fixes: 9a08862a5d2e ("vDSO for sparc") Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- arch/sparc/vdso/vma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index f51595f861b8..5eaff3c1aa0c 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -262,7 +262,9 @@ static __init int vdso_setup(char *s) unsigned long val; err = kstrtoul(s, 10, &val); + if (err) + return err; vdso_enabled = val; - return err; + return 0; } __setup("vdso=", vdso_setup);