net/mlx5_core: Modify arm CQ in preparation for upcoming Ethernet driver

[firefly-linux-kernel-4.4.55.git] / drivers / of / irq.c

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 0d7765807f4940c1aa892665a78e0b32c4128528..1a7980692f254c6917371dec5a11f77f448723cf 100644 (file)
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -290,7 +290,7 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar
        struct device_node *p;
        const __be32 *intspec, *tmp, *addr;
        u32 intsize, intlen;
-       int i, res = -EINVAL;
+       int i, res;
 
        pr_debug("of_irq_parse_one: dev=%s, index=%d\n", of_node_full_name(device), index);
 
@@ -323,15 +323,19 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar
 
        /* Get size of interrupt specifier */
        tmp = of_get_property(p, "#interrupt-cells", NULL);
-       if (tmp == NULL)
+       if (tmp == NULL) {
+               res = -EINVAL;
                goto out;
+       }
        intsize = be32_to_cpu(*tmp);
 
        pr_debug(" intsize=%d intlen=%d\n", intsize, intlen);
 
        /* Check index */
-       if ((index + 1) * intsize > intlen)
+       if ((index + 1) * intsize > intlen) {
+               res = -EINVAL;
                goto out;
+       }
 
        /* Copy intspec into irq structure */
        intspec += index * intsize;