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>

diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c
index f51595f861b85999f62e0ac7db3f7726a486eede..5eaff3c1aa0c73110ba0668709b6da5c5fd87736 100644 (file)
--- 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);