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From: Ajit Khaparde <ajit.khaparde@broadcom.com>
To: dev@dpdk.org
Cc: Shahaji Bhosle <sbhosle@broadcom.com>
Subject: [dpdk-dev] [PATCH] net/bnxt: fix clang compiler warnings
Date: Sat,  9 Oct 2021 21:07:55 -0700	[thread overview]
Message-ID: <20211010040755.3882-1-ajit.khaparde@broadcom.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 3147 bytes --]

From: Shahaji Bhosle <sbhosle@broadcom.com>

Fix an error reported during CLANG compilation.

-Wtautological-constant-out-of-range-compare for enums

$ export CC=clang
$ meson --werror --buildtype=debugoptimized build && ninja-build -C build
"
[..]
../../root/dpdk/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c:140:18: error: comparison of constant 2147483648 with expression of type 'const enum rte_flow_item_type' is always false [-Werror,-Wtautological-constant-out-of-range-compare]
                if (item->type >= (uint32_t)
                    ~~~~~~~~~~ ^  ~~~~~~~~~~
../../root/dpdk/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c:142:19: error: comparison of constant 2147483650 with expression of type 'const enum rte_flow_item_type' is always false [-Werror,-Wtautological-constant-out-of-range-compare]
                        if (item->type >=
                            ~~~~~~~~~~ ^
../../root/dpdk/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c:188:25: error: comparison of constant 2147483648 with expression of type 'const enum rte_flow_action_type' is always false [-Werror,-Wtautological-constant-out-of-range-compare]
                if (action_item->type >=
                    ~~~~~~~~~~~~~~~~~ ^
../../root/dpdk/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c:190:26: error: comparison of constant 2147483650 with expression of type 'const enum rte_flow_action_type' is always false [-Werror,-Wtautological-constant-out-of-range-compare]
                        if (action_item->type >=
                            ~~~~~~~~~~~~~~~~~ ^
4 errors generated.
"

Bugzilla ID: 821
Fixes: bdf4a3c6316b ("net/bnxt: support tunnel offload")

Signed-off-by: Shahaji Bhosle <sbhosle@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/tf_ulp/ulp_rte_parser.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
index 3a9c9bba27..b589f2281e 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
@@ -137,9 +137,9 @@ bnxt_ulp_rte_parser_hdr_parse(const struct rte_flow_item pattern[],
 
 	/* Parse all the items in the pattern */
 	while (item && item->type != RTE_FLOW_ITEM_TYPE_END) {
-		if (item->type >= (uint32_t)
-		    BNXT_RTE_FLOW_ITEM_TYPE_END) {
-			if (item->type >=
+		if ((uint32_t)item->type >=
+		    (uint32_t)BNXT_RTE_FLOW_ITEM_TYPE_END) {
+			if ((uint32_t)item->type >=
 			    (uint32_t)BNXT_RTE_FLOW_ITEM_TYPE_LAST)
 				goto hdr_parser_error;
 			/* get the header information */
@@ -185,9 +185,9 @@ bnxt_ulp_rte_parser_act_parse(const struct rte_flow_action actions[],
 
 	/* Parse all the items in the pattern */
 	while (action_item && action_item->type != RTE_FLOW_ACTION_TYPE_END) {
-		if (action_item->type >=
+		if ((uint32_t)action_item->type >=
 		    (uint32_t)BNXT_RTE_FLOW_ACTION_TYPE_END) {
-			if (action_item->type >=
+			if ((uint32_t)action_item->type >=
 			    (uint32_t)BNXT_RTE_FLOW_ACTION_TYPE_LAST)
 				goto act_parser_error;
 			/* get the header information from bnxt actinfo table */
-- 
2.30.1 (Apple Git-130)


             reply	other threads:[~2021-10-10  4:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-10  4:07 Ajit Khaparde [this message]
2021-10-11 17:55 ` Ajit Khaparde
2021-10-12  2:46 ` Stephen Hemminger
2021-10-12  4:08   ` Ajit Khaparde

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