[dpdk-dev] [PATCH v2 2/4] net/bnxt: ensure entry_length is unsigned in bnxt_alloc_vnic_attributes
John W. Linville
linville at tuxdriver.com
Thu Sep 29 19:39:34 CEST 2016
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 <linville at tuxdriver.com>
---
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
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