[dpdk-dev] [PATCH 2/2] distributor: imposing additional check on no of workers
Harman Kalra
harman.kalra at caviumnetworks.com
Thu Nov 29 16:09:16 CET 2018
From: Harman Kalra <harman.kalra at cavium.com>
No of workers should never exceed RTE_MAX_LCORE.
RTE_DIST_ALG_SINGLE also require no of workers check.
Signed-off-by: Harman Kalra <harman.kalra at cavium.com>
---
lib/librte_distributor/rte_distributor.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git lib/librte_distributor/rte_distributor.c lib/librte_distributor/rte_distributor.c
index d505983..043b8f3 100644
--- lib/librte_distributor/rte_distributor.c
+++ lib/librte_distributor/rte_distributor.c
@@ -595,6 +595,12 @@ struct rte_distributor *
RTE_BUILD_BUG_ON((sizeof(*d) & RTE_CACHE_LINE_MASK) != 0);
RTE_BUILD_BUG_ON((RTE_DISTRIB_MAX_WORKERS & 7) != 0);
+ if (name == NULL || num_workers >=
+ (unsigned int)RTE_MIN(RTE_DISTRIB_MAX_WORKERS, RTE_MAX_LCORE)) {
+ rte_errno = EINVAL;
+ return NULL;
+ }
+
if (alg_type == RTE_DIST_ALG_SINGLE) {
d = malloc(sizeof(struct rte_distributor));
if (d == NULL) {
@@ -612,11 +618,6 @@ struct rte_distributor *
return d;
}
- if (name == NULL || num_workers >= RTE_DISTRIB_MAX_WORKERS) {
- rte_errno = EINVAL;
- return NULL;
- }
-
snprintf(mz_name, sizeof(mz_name), RTE_DISTRIB_PREFIX"%s", name);
mz = rte_memzone_reserve(mz_name, sizeof(*d), socket_id, NO_FLAGS);
if (mz == NULL) {
--
1.8.3.1
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