[PATCH] sparc: vDSO: Silence an uninitialized variable warning

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

Smatch complains that "val" would be uninitialized if kstrtoul() fails.

Fixes: 9a08862a5d2e ("vDSO for sparc")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 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);
-- 
2.18.0