Thread (121 messages) 121 messages, 4 authors, 2021-05-12

[dpdk-dev] [PATCH v4 05/19] net/ena/base: fix issues from the static code scan

From: Michal Krawczyk <hidden>
Date: 2021-05-11 06:46:53
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

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")
Cc: stable@dpdk.org

Signed-off-by: Michal Krawczyk <redacted>
Reviewed-by: Igor Chauskin <redacted>
Reviewed-by: Guy Tzalik <redacted>
---
v4:
* Add stable dpdk as cc.

 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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