Commit d9c35771 authored by Horia Geantă's avatar Horia Geantă Committed by Herbert Xu

crypto: caam/qi - fix warning in init_cgr()

Coverity warns about an
"Unintentional integer overflow (OVERFLOW_BEFORE_WIDEN)"
when computing the congestion threshold value.

Even though it is highly unlikely for an overflow to happen,
use this as an opportunity to simplify the code.
Signed-off-by: default avatarHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b2106476
...@@ -657,9 +657,8 @@ static int init_cgr(struct device *qidev) ...@@ -657,9 +657,8 @@ static int init_cgr(struct device *qidev)
{ {
int ret; int ret;
struct qm_mcc_initcgr opts; struct qm_mcc_initcgr opts;
const u64 cpus = *(u64 *)qman_affine_cpus(); const u64 val = (u64)cpumask_weight(qman_affine_cpus()) *
const int num_cpus = hweight64(cpus); MAX_RSP_FQ_BACKLOG_PER_CPU;
const u64 val = num_cpus * MAX_RSP_FQ_BACKLOG_PER_CPU;
ret = qman_alloc_cgrid(&qipriv.cgr.cgrid); ret = qman_alloc_cgrid(&qipriv.cgr.cgrid);
if (ret) { if (ret) {
......
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