netdev - [PATCH net-next v5 3/9] net: ena: store values in their appropriate variables types

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Date:   Tue, 8 Dec 2020 20:02:02 +0200
From:   Shay Agroskin <shayagr@...zon.com>
To:     Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>
CC:     Shay Agroskin <shayagr@...zon.com>,
        David Woodhouse <dwmw@...zon.com>,
        Zorik Machulsky <zorik@...zon.com>,
        Alexander Matushevsky <matua@...zon.com>,
        Bshara Saeed <saeedb@...zon.com>, Matt Wilson <msw@...zon.com>,
        Anthony Liguori <aliguori@...zon.com>,
        Nafea Bshara <nafea@...zon.com>,
        Guy Tzalik <gtzalik@...zon.com>,
        Netanel Belgazal <netanel@...zon.com>,
        Ali Saidi <alisaidi@...zon.com>,
        Benjamin Herrenschmidt <benh@...zon.com>,
        Arthur Kiyanovski <akiyano@...zon.com>,
        Samih Jubran <sameehj@...zon.com>,
        Noam Dagan <ndagan@...zon.com>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Ido Segev <idose@...zon.com>, Igor Chauskin <igorch@...zon.com>
Subject: [PATCH net-next v5 3/9] net: ena: store values in their appropriate variables types

This patch changes some of the variables types to match the values they
hold. These wrong types fail some of our static checkers that search for
accidental conversions in our driver.

Signed-off-by: Ido Segev <idose@...zon.com>
Signed-off-by: Igor Chauskin <igorch@...zon.com>
Signed-off-by: Shay Agroskin <shayagr@...zon.com>
---
 drivers/net/ethernet/amazon/ena/ena_com.c | 15 +++++++--------
 drivers/net/ethernet/amazon/ena/ena_com.h |  2 +-
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index e168edf3c930..02087d443e73 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -1360,16 +1360,15 @@ int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue,
 	comp_ctx = ena_com_submit_admin_cmd(admin_queue, cmd, cmd_size,
 					    comp, comp_size);
 	if (IS_ERR(comp_ctx)) {
-		if (comp_ctx == ERR_PTR(-ENODEV))
+		ret = PTR_ERR(comp_ctx);
+		if (ret == -ENODEV)
 			netdev_dbg(admin_queue->ena_dev->net_device,
-				   "Failed to submit command [%ld]\n",
-				   PTR_ERR(comp_ctx));
+				   "Failed to submit command [%d]\n", ret);
 		else
 			netdev_err(admin_queue->ena_dev->net_device,
-				   "Failed to submit command [%ld]\n",
-				   PTR_ERR(comp_ctx));
+				   "Failed to submit command [%d]\n", ret);
 
-		return PTR_ERR(comp_ctx);
+		return ret;
 	}
 
 	ret = ena_com_wait_and_process_admin_cq(comp_ctx, admin_queue);
@@ -1595,7 +1594,7 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag)
 int ena_com_get_dma_width(struct ena_com_dev *ena_dev)
 {
 	u32 caps = ena_com_reg_bar_read32(ena_dev, ENA_REGS_CAPS_OFF);
-	int width;
+	u32 width;
 
 	if (unlikely(caps == ENA_MMIO_READ_TIMEOUT)) {
 		netdev_err(ena_dev->net_device, "Reg read timeout occurred\n");
@@ -2247,7 +2246,7 @@ int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
 	return ret;
 }
 
-int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu)
+int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu)
 {
 	struct ena_com_admin_queue *admin_queue;
 	struct ena_admin_set_feat_cmd cmd;
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index b0f76fb3b1d7..343caf41e709 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -605,7 +605,7 @@ int ena_com_get_eni_stats(struct ena_com_dev *ena_dev,
  *
  * @return: 0 on Success and negative value otherwise.
  */
-int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu);
+int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu);
 
 /* ena_com_get_offload_settings - Retrieve the device offloads capabilities
  * @ena_dev: ENA communication layer struct
-- 
2.17.1