pthread_getaffinity_np returns a >0 value when failing.
This is mainly for the sake of correctness.
The only case where it could fail is when passing an incorrect cpuset
size wrt to the kernel.
Fixes: 2eba8d21f3c9 ("eal: restrict cores auto detection")
Signed-off-by: David Marchand <david.march...@redhat.com>
---
lib/librte_eal/common/eal_common_options.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/lib/librte_eal/common/eal_common_options.c
b/lib/librte_eal/common/eal_common_options.c
index 6c96f45..1f45f82 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -1343,10 +1343,9 @@ static int xdigit2val(unsigned char c)
unsigned int lcore_id;
unsigned int removed = 0;
rte_cpuset_t affinity_set;
- pthread_t tid = pthread_self();
- if (pthread_getaffinity_np(tid, sizeof(rte_cpuset_t),
- &affinity_set) < 0)
+ if (pthread_getaffinity_np(pthread_self(), sizeof(rte_cpuset_t),
+ &affinity_set))
CPU_ZERO(&affinity_set);
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
--
1.8.3.1
