On 1/6/23 10:12, Maxime Coquelin wrote:


On 1/6/23 06:44, Hernan Vargas wrote:
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.var...@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 2f65f290b5..1ca95f4440 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;
          }

Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>

Also cc'ing stable since it is in v22.11 at least.

Thanks,
Maxime

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