[dpdk-dev] [PATCH 1/3 v3] bnxt: use appropriate data type in bnxt_alloc_vnic_attributes

Ajit Khaparde ajit.khaparde at broadcom.com
Mon Nov 7 16:12:04 CET 2016


Prevent the arithmetic in bnxt_alloc_vnic_attributes from causing
any unintentional havoc because of the usage of a signed variable.

Coverity: 137874

Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>

--
v1: attempt did not seem complete.
v2: simplify the fix by redoing the fix for Coverity 127557
---
 drivers/net/bnxt/bnxt_vnic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index 205a940..33fdde2 100644
--- a/drivers/net/bnxt/bnxt_vnic.c
+++ b/drivers/net/bnxt/bnxt_vnic.c
@@ -175,7 +175,7 @@ int bnxt_alloc_vnic_attributes(struct bnxt *bp)
 	struct rte_pci_device *pdev = bp->pdev;
 	const struct rte_memzone *mz;
 	char mz_name[RTE_MEMZONE_NAMESIZE];
-	uint16_t entry_length = RTE_CACHE_LINE_ROUNDUP(
+	uint32_t entry_length = RTE_CACHE_LINE_ROUNDUP(
 				HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
 				HW_HASH_KEY_SIZE);
 	uint16_t max_vnics;
-- 
1.8.3.1



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