[dpdk-dev] [PATCH] cryptodev: fix crash on null dereference

Jerin Jacob jerin.jacob at caviumnetworks.com
Tue Nov 15 20:11:43 CET 2016


crypodev->data->name will be null when
rte_cryptodev_get_dev_id() invoked without a valid
crypto device instance.

Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 lib/librte_cryptodev/rte_cryptodev.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 127e8d0..54e95d5 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -225,13 +225,14 @@ rte_cryptodev_create_vdev(const char *name, const char *args)
 }
 
 int
-rte_cryptodev_get_dev_id(const char *name) {
+rte_cryptodev_get_dev_id(const char *name)
+{
 	unsigned i;
 
 	if (name == NULL)
 		return -1;
 
-	for (i = 0; i < rte_cryptodev_globals->max_devs; i++)
+	for (i = 0; i < rte_cryptodev_globals->nb_devs; i++)
 		if ((strcmp(rte_cryptodev_globals->devs[i].data->name, name)
 				== 0) &&
 				(rte_cryptodev_globals->devs[i].attached ==
-- 
2.5.5



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