From e716b639856cc4baa46bc6d5bc63bcc1d6bd9cf9 Mon Sep 17 00:00:00 2001 From: Dan Gora Date: Thu, 28 Jun 2018 15:58:38 -0700 Subject: [PATCH] kni: fix crash with null name Fix a segmentation fault which occurs when the kni_autotest is run in the 'test' application. This segmenation fault occurs when rte_kni_get() is called with a NULL value for 'name'. Fixes: 0c6bc8ef70ba ("kni: memzone pool for alloc and release") Cc: stable@dpdk.org Signed-off-by: Dan Gora Acked-by: Ferruh Yigit --- lib/librte_kni/rte_kni.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/librte_kni/rte_kni.c b/lib/librte_kni/rte_kni.c index 8a8f6c1cc9..65f6a2b038 100644 --- a/lib/librte_kni/rte_kni.c +++ b/lib/librte_kni/rte_kni.c @@ -715,6 +715,9 @@ rte_kni_get(const char *name) struct rte_kni_memzone_slot *it; struct rte_kni *kni; + if (name == NULL || name[0] == '\0') + return NULL; + /* Note: could be improved perf-wise if necessary */ for (i = 0; i < kni_memzone_pool.max_ifaces; i++) { it = &kni_memzone_pool.slots[i]; -- 2.20.1