From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John W. Linville" Subject: [PATCH v2 2/4] net/bnxt: ensure entry_length is unsigned in bnxt_alloc_vnic_attributes Date: Thu, 29 Sep 2016 13:39:34 -0400 Message-ID: <1475170776-10130-3-git-send-email-linville@tuxdriver.com> References: <1475090404-20707-1-git-send-email-linville@tuxdriver.com> <1475170776-10130-1-git-send-email-linville@tuxdriver.com> Cc: dpdk stable To: dev@dpdk.org Return-path: In-Reply-To: <1475170776-10130-1-git-send-email-linville@tuxdriver.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 issue: 127557 Fixes: 9738793f28ec ("net/bnxt: add VNIC functions and structs") Signed-off-by: John W. Linville --- v2: fix-up changelog entries based-on comments from Ferruh Yigit 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 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; -- 2.7.4