[dpdk-dev,2/4] bnxt_alloc_vnic_attributes: ensure entry_length is unsigned

Message ID 1475090404-20707-3-git-send-email-linville@tuxdriver.com (mailing list archive)
State Superseded, archived
Delegated to: Bruce Richardson
Headers

Commit Message

John W. Linville Sept. 28, 2016, 7:20 p.m. UTC
  Otherwise, the inherent cast when multiplying entry_length by max_vnics
in the call to rte_memzone_reserve could promote max_vnics to a signed
value, causing hilarity to ensue...

Coverity: 127557

Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/bnxt/bnxt_vnic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Patch

diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index c04c4c740645..1b5f54c4d1ae 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];
-	int entry_length = RTE_CACHE_LINE_ROUNDUP(
+	uint16_t entry_length = RTE_CACHE_LINE_ROUNDUP(
 				HW_HASH_INDEX_SIZE * sizeof(*vnic->rss_table) +
 				HW_HASH_KEY_SIZE);
 	uint16_t max_vnics;