[dpdk-dev] [PATCH 1/1] kni: fix segfault in rte_kni_get
Dan Gora
dg at adax.com
Fri Jun 29 00:58:38 CEST 2018
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: marc.sune at bisdn.de
Signed-off-by: Dan Gora <dg at adax.com>
---
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 aa3559306..c4199e6ab 100644
--- a/lib/librte_kni/rte_kni.c
+++ b/lib/librte_kni/rte_kni.c
@@ -744,6 +744,9 @@ 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];
--
2.18.0.rc1.1.g6f333ff2f
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