[PATCH net-next] cxgb4: fix check for running offline ethtool selftest

[PATCH net-next] cxgb4: fix check for running offline ethtool selftest

[Rahul Lakkireddy]

The flag indicating the selftest to run is a bitmask. So, fix the
check. Also, the selftests will fail if adapter initialization has
not been completed yet. So, add appropriate check and bail sooner.

Fixes: 7235ffae3d2c ("cxgb4: add loopback ethtool self-test")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
index 12ef9ddd1e54..9f3173f86eed 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
@@ -31,7 +31,7 @@ enum cxgb4_ethtool_tests {
 };
 
 static const char cxgb4_selftest_strings[CXGB4_ETHTOOL_MAX_TEST][ETH_GSTRING_LEN] = {
-	"Loop back test",
+	"Loop back test (offline)",
 };
 
 static const char * const flash_region_strings[] = {
@@ -2095,12 +2095,13 @@ static void cxgb4_self_test(struct net_device *netdev,
 
 	memset(data, 0, sizeof(u64) * CXGB4_ETHTOOL_MAX_TEST);
 
-	if (!(adap->flags & CXGB4_FW_OK)) {
+	if (!(adap->flags & CXGB4_FULL_INIT_DONE) ||
+	    !(adap->flags & CXGB4_FW_OK)) {
 		eth_test->flags |= ETH_TEST_FL_FAILED;
 		return;
 	}
 
-	if (eth_test->flags == ETH_TEST_FL_OFFLINE)
+	if (eth_test->flags & ETH_TEST_FL_OFFLINE)
 		cxgb4_lb_test(netdev, &data[CXGB4_ETHTOOL_LB_TEST]);
 
 	if (data[CXGB4_ETHTOOL_LB_TEST])
-- 
2.24.0

Re: [PATCH net-next] cxgb4: fix check for running offline ethtool selftest

[David Miller]

From: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Date: Sat,  1 Aug 2020 02:20:52 +0530

> The flag indicating the selftest to run is a bitmask. So, fix the
> check. Also, the selftests will fail if adapter initialization has
> not been completed yet. So, add appropriate check and bail sooner.
> 
> Fixes: 7235ffae3d2c ("cxgb4: add loopback ethtool self-test")
> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>

Applied.