[PATCH v1 6/6] baseband/acc: acc100 fix queue mapping to 64 bits

Hernan Vargas hernan.vargas at intel.com
Thu Jan 5 01:11:09 CET 2023


Fix potential overflow for Q mapping extension to 64 bits.

Fixes: 32e8b7ea35d ("baseband/acc100: refactor to segregate common code")

Signed-off-by: Hernan Vargas <hernan.vargas at intel.com>
---
 drivers/baseband/acc/rte_acc100_pmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index 7529918975..8d8e85183d 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -664,7 +664,7 @@ acc100_find_free_queue_idx(struct rte_bbdev *dev,
 	for (aq_idx = 0; aq_idx < qtop->num_aqs_per_groups; aq_idx++) {
 		if (((d->q_assigned_bit_map[group_idx] >> aq_idx) & 0x1) == 0) {
 			/* Mark the Queue as assigned */
-			d->q_assigned_bit_map[group_idx] |= (1 << aq_idx);
+			d->q_assigned_bit_map[group_idx] |= (1ULL << aq_idx);
 			/* Report the AQ Index */
 			return (group_idx << ACC100_GRP_ID_SHIFT) + aq_idx;
 		}
-- 
2.37.1



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