Potential occurrence of negative shift when using invalid configuration on ACC200. Enforcing that depth > 0.
Coverity issue: 381636 Fixes: 40e3adbdd3 ("baseband/acc200: add queue configuration") Signed-off-by: Nicolas Chautru <nicolas.chau...@intel.com> --- drivers/baseband/acc/rte_acc200_pmd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/baseband/acc/rte_acc200_pmd.c b/drivers/baseband/acc/rte_acc200_pmd.c index 8ee9023451..7d7a6c6389 100644 --- a/drivers/baseband/acc/rte_acc200_pmd.c +++ b/drivers/baseband/acc/rte_acc200_pmd.c @@ -105,9 +105,9 @@ aqDepth(int qg_idx, struct rte_acc_conf *acc_conf) qtopFromAcc(&q_top, acc_enum, acc_conf); if (unlikely(q_top == NULL)) - return 0; + return 1; - return q_top->aq_depth_log2; + return RTE_MAX(1, q_top->aq_depth_log2); } /* Return the AQ depth for a Queue Group Index. */ -- 2.37.1