commit 62d6f3b7b85e9ba79c96bfd36f501f180908e623
author Dan Carpenter <dan.carpenter@oracle.com> Sat Oct 13 13:26:53 2018 +0300
committer David S. Miller <davem@davemloft.net> Wed Oct 17 21:55:02 2018 -0700
tree f7c87ebde04faf3148ce301c8ee6bb312b024e30
parent 776ca1543b5fe673aaf1beb244fcc2429d378083

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 <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/vdso/vma.c

diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c
index f51595f..5eaff3c 100644
--- a/arch/sparc/vdso/vma.c
+++ b/arch/sparc/vdso/vma.c
@@ -262,7 +262,9 @@
 	unsigned long val;
 
 	err = kstrtoul(s, 10, &val);
+	if (err)
+		return err;
 	vdso_enabled = val;
-	return err;
+	return 0;
 }
 __setup("vdso=", vdso_setup);