[dpdk-dev] [PATCH v3 05/22] net/ena/base: fix issues from the static code scan

Michal Krawczyk mk at semihalf.com
Thu May 6 16:25:09 CEST 2021


To silence error messages from the static code analysis, make the type
conversions explicit where they're intended.

Also fix the type for the DMA width value.

Fixes: 99ecfbf845b3 ("ena: import communication layer")

Signed-off-by: Michal Krawczyk <mk at semihalf.com>
Reviewed-by: Igor Chauskin <igorch at amazon.com>
Reviewed-by: Guy Tzalik <gtzalik at amazon.com>
---
 drivers/net/ena/base/ena_com.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ena/base/ena_com.c b/drivers/net/ena/base/ena_com.c
index 9dc9f280c4..0cdeb1a2d9 100644
--- a/drivers/net/ena/base/ena_com.c
+++ b/drivers/net/ena/base/ena_com.c
@@ -1382,7 +1382,7 @@ int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue,
 				    "Failed to submit command [%ld]\n",
 				    PTR_ERR(comp_ctx));
 
-		return PTR_ERR(comp_ctx);
+		return (int)PTR_ERR(comp_ctx);
 	}
 
 	ret = ena_com_wait_and_process_admin_cq(comp_ctx, admin_queue);
@@ -1602,7 +1602,7 @@ 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)) {
 		ena_trc_err(ena_dev, "Reg read timeout occurred\n");
@@ -2280,7 +2280,7 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu)
 	cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE;
 	cmd.aq_common_descriptor.flags = 0;
 	cmd.feat_common.feature_id = ENA_ADMIN_MTU;
-	cmd.u.mtu.mtu = mtu;
+	cmd.u.mtu.mtu = (u32)mtu;
 
 	ret = ena_com_execute_admin_command(admin_queue,
 					    (struct ena_admin_aq_entry *)&cmd,
@@ -2691,7 +2691,7 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev)
 		return ret;
 	}
 
-	cmd.control_buffer.length = (1ULL << rss->tbl_log_size) *
+	cmd.control_buffer.length = (u32)(1ULL << rss->tbl_log_size) *
 		sizeof(struct ena_admin_rss_ind_table_entry);
 
 	ret = ena_com_execute_admin_command(admin_queue,
@@ -2713,7 +2713,7 @@ int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl)
 	u32 tbl_size;
 	int i, rc;
 
-	tbl_size = (1ULL << rss->tbl_log_size) *
+	tbl_size = (u32)(1ULL << rss->tbl_log_size) *
 		sizeof(struct ena_admin_rss_ind_table_entry);
 
 	rc = ena_com_get_feature_ex(ena_dev, &get_resp,
-- 
2.25.1



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