[dpdk-stable] [PATCH 18.11 03/10] net/atlantic: error handling for mailbox access

[Igor Russkikh]

From: Pavel Belous <Pavel.Belous at aquantia.com>

Add error handling for mailbox access.

Signed-off-by: Igor Russkikh <igor.russkikh at aquantia.com>
Signed-off-by: Pavel Belous <Pavel.Belous at aquantia.com>
---
 drivers/net/atlantic/hw_atl/hw_atl_utils.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/atlantic/hw_atl/hw_atl_utils.c
index f11093a50404..63f333608dfc 100644
--- a/drivers/net/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/atlantic/hw_atl/hw_atl_utils.c
@@ -306,6 +306,11 @@ int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a,
 							   HW_ATL_MIF_CMD)),
 				       1, 1000U);
 
+		if (err) {
+			err = -ETIMEDOUT;
+			goto err_exit;
+		}
+
 		*(p++) = aq_hw_read_reg(self, HW_ATL_MIF_VAL);
 		a += 4;
 	}
-- 
2.17.1