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Message-Id: <b1d7700ab68947678e1c479904537718555171ab.1567602867.git.joabreu@synopsys.com>
Date:   Wed,  4 Sep 2019 15:16:53 +0200
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     netdev@...r.kernel.org
Cc:     Joao Pinto <Joao.Pinto@...opsys.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 net-next 01/13] net: stmmac: selftests: Return proper error code to userspace

We can do better than just return 1 to userspace. Lets return a proper
Linux error code.

Signed-off-by: Jose Abreu <joabreu@...opsys.com>

---
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: Alexandre Torgue <alexandre.torgue@...com>
Cc: Jose Abreu <joabreu@...opsys.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: netdev@...r.kernel.org
Cc: linux-stm32@...md-mailman.stormreply.com
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 .../net/ethernet/stmicro/stmmac/stmmac_selftests.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index ecc8602c6799..d3234338a0ca 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -318,7 +318,7 @@ static int __stmmac_test_loopback(struct stmmac_priv *priv,
 		attr->timeout = STMMAC_LB_TIMEOUT;
 
 	wait_for_completion_timeout(&tpriv->comp, attr->timeout);
-	ret = !tpriv->ok;
+	ret = tpriv->ok ? 0 : -ETIMEDOUT;
 
 cleanup:
 	if (!attr->dont_wait)
@@ -480,7 +480,7 @@ static int stmmac_test_hfilt(struct stmmac_priv *priv)
 
 	/* Shall NOT receive packet */
 	ret = __stmmac_test_loopback(priv, &attr);
-	ret = !ret;
+	ret = ret ? 0 : -EINVAL;
 
 cleanup:
 	dev_mc_del(priv->dev, gd_addr);
@@ -512,7 +512,7 @@ static int stmmac_test_pfilt(struct stmmac_priv *priv)
 
 	/* Shall NOT receive packet */
 	ret = __stmmac_test_loopback(priv, &attr);
-	ret = !ret;
+	ret = ret ? 0 : -EINVAL;
 
 cleanup:
 	dev_uc_del(priv->dev, gd_addr);
@@ -562,7 +562,7 @@ static int stmmac_test_mcfilt(struct stmmac_priv *priv)
 
 	/* Shall NOT receive packet */
 	ret = __stmmac_test_loopback(priv, &attr);
-	ret = !ret;
+	ret = ret ? 0 : -EINVAL;
 
 cleanup:
 	dev_uc_del(priv->dev, uc_addr);
@@ -600,7 +600,7 @@ static int stmmac_test_ucfilt(struct stmmac_priv *priv)
 
 	/* Shall NOT receive packet */
 	ret = __stmmac_test_loopback(priv, &attr);
-	ret = !ret;
+	ret = ret ? 0 : -EINVAL;
 
 cleanup:
 	dev_mc_del(priv->dev, mc_addr);
@@ -699,7 +699,7 @@ static int stmmac_test_flowctrl(struct stmmac_priv *priv)
 	}
 
 	wait_for_completion_timeout(&tpriv->comp, STMMAC_LB_TIMEOUT);
-	ret = !tpriv->ok;
+	ret = tpriv->ok ? 0 : -ETIMEDOUT;
 
 cleanup:
 	dev_mc_del(priv->dev, paddr);
@@ -833,11 +833,11 @@ static int stmmac_test_vlanfilt(struct stmmac_priv *priv)
 			goto vlan_del;
 
 		wait_for_completion_timeout(&tpriv->comp, STMMAC_LB_TIMEOUT);
-		ret = !tpriv->ok;
+		ret = tpriv->ok ? 0 : -ETIMEDOUT;
 		if (ret && !i) {
 			goto vlan_del;
 		} else if (!ret && i) {
-			ret = -1;
+			ret = -EINVAL;
 			goto vlan_del;
 		} else {
 			ret = 0;
@@ -909,11 +909,11 @@ static int stmmac_test_dvlanfilt(struct stmmac_priv *priv)
 			goto vlan_del;
 
 		wait_for_completion_timeout(&tpriv->comp, STMMAC_LB_TIMEOUT);
-		ret = !tpriv->ok;
+		ret = tpriv->ok ? 0 : -ETIMEDOUT;
 		if (ret && !i) {
 			goto vlan_del;
 		} else if (!ret && i) {
-			ret = -1;
+			ret = -EINVAL;
 			goto vlan_del;
 		} else {
 			ret = 0;
@@ -998,7 +998,7 @@ static int stmmac_test_rxp(struct stmmac_priv *priv)
 	attr.src = addr;
 
 	ret = __stmmac_test_loopback(priv, &attr);
-	ret = !ret; /* Shall NOT receive packet */
+	ret = ret ? 0 : -EINVAL; /* Shall NOT receive packet */
 
 	cls_u32.command = TC_CLSU32_DELETE_KNODE;
 	stmmac_tc_setup_cls_u32(priv, priv, &cls_u32);
-- 
2.7.4

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