[dpdk-dev] [PATCH v2 4/4] net/bnxt: add ULL suffix to constant 1 for bit shift in bnxt_mac_addr_remove_op
John W. Linville
linville at tuxdriver.com
Thu Sep 29 19:39:36 CEST 2016
Some(?) compilers will treat the unmarked constant 1 as a 32-bit
integer, but the shift operation is in a loop that could run up to
63 times -- undefined behavior!
Coverity issue: 127546
Fixes: 778b759ba10e ("net/bnxt: add MAC address")
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_ethdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index f4eedfd812bb..d7447b15983b 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -463,7 +463,7 @@ static void bnxt_mac_addr_remove_op(struct rte_eth_dev *eth_dev,
* remove the corresponding MAC addr filter
*/
for (i = 0; i < MAX_FF_POOLS; i++) {
- if (!(pool_mask & (1 << i)))
+ if (!(pool_mask & (1ULL << i)))
continue;
STAILQ_FOREACH(vnic, &bp->ff_pool[i], next) {
--
2.7.4
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