sparc: vDSO: Silence an uninitialized variable warning

Dan Carpenter · davem330 · commit 62d6f3b7b85e · 2018-10-17T21:55:02.000-07:00
Smatch complains that "val" would be uninitialized if kstrtoul() fails. Fixes: 9a08862 ("vDSO for sparc") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git 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);
