net/enic: fix build with gcc 7.1

build error:

.../dpdk/drivers/net/enic/base/vnic_dev.c:
  In function ‘vnic_dev_get_mac_addr’:
.../dpdk/drivers/net/enic/base/vnic_dev.c:470:12:
  error: ‘a0’ is used uninitialized in this function
  [-Werror=uninitialized]
  args[0] = *a0;
            ^~~
...dpdk/drivers/net/enic/base/vnic_dev.c:
  In function ‘vnic_dev_classifier’:
...dpdk/drivers/net/enic/base/vnic_dev.c:471:12:
  error: ‘a1’ may be used uninitialized in this function
  [-Werror=maybe-uninitialized]
  args[1] = *a1;
            ^~~
Fixed by providing initial values.

Fixes: 9913fbb91df0 ("enic/base: common code")
Cc: stable@dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/enic/base/vnic_dev.c b/drivers/net/enic/base/vnic_dev.c
index 7b3aed3..49b3655 100644 (file)
--- a/drivers/net/enic/base/vnic_dev.c
+++ b/drivers/net/enic/base/vnic_dev.c
@@ -752,7 +752,7 @@ int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done)
 
 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
 {
-       u64 a0, a1 = 0;
+       u64 a0 = 0, a1 = 0;
        int wait = 1000;
        int err, i;
 
@@ -1129,7 +1129,7 @@ int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr)
 int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
        struct filter_v2 *data, struct filter_action_v2 *action_v2)
 {
-       u64 a0, a1;
+       u64 a0 = 0, a1 = 0;
        int wait = 1000;
        dma_addr_t tlv_pa;
        int ret = -EINVAL;