diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c
index eeeb892..37ace5c 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.c
+++ b/drivers/net/wireless/marvell/libertas/mesh.c
@@ -233,8 +233,9 @@
 	memset(&mesh_access, 0, sizeof(mesh_access));
 	mesh_access.data[0] = cpu_to_le32(CMD_ACT_SET);
 
-	if (!kstrtoul(buf, 10, &retry_limit))
-		return -ENOTSUPP;
+	ret = kstrtoul(buf, 10, &retry_limit);
+	if (ret)
+		return ret;
 	if (retry_limit > 15)
 		return -ENOTSUPP;