[dpdk-dev] [PATCH] cryptodev: fix NULL pointer dereference

[Pablo de Lara]

When registering a crypto driver, if memory allocation
fails, application should exit and do not allow
a NULL pointer dereference.

Coverity issue: 158645

Fixes: 7a364faef185 ("cryptodev: remove crypto device type enumeration")

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
---
 lib/librte_cryptodev/rte_cryptodev.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 327d7e8..4492b0d 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -1404,6 +1404,12 @@ rte_cryptodev_allocate_driver(const struct rte_driver *drv)
 	struct cryptodev_driver *driver;
 
 	driver = malloc(sizeof(*driver));
+
+	if (driver == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Could not allocate memory for crypto driver %u\n",
+			nb_drivers);
+
 	driver->driver = drv;
 	driver->id = nb_drivers;
 
-- 
2.9.4