4.20-stable review patch. If anyone has any objections, please let me know.
------------------
[ Upstream commit 4e3c7c00bba0636b97eb23d582c20b0f5d95ce20 ]
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c:260:7:
warning: variable 'err' set but not used [-Wunused-but-set-variable]
'err' should be returned while set MPI_DEINIT state fails
in hw_atl_utils_soft_reset.
Fixes: cce96d1883da ("net: aquantia: Regression on reset with 1.x firmware")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 7def1cb8ab9d..22cbf8dc6fa9 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -263,6 +263,8 @@ int hw_atl_utils_soft_reset(struct aq_hw_s *self)
AQ_HW_WAIT_FOR((aq_hw_read_reg(self, HW_ATL_MPI_STATE_ADR) &
HW_ATL_MPI_STATE_MSK) == MPI_DEINIT,
10, 1000U);
+ if (err)
+ return err;
}
if (self->rbl_enabled)
--
2.19.1
