cryptodev: fix crash on null dereference

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

Fixes: d11b0f30df88 ("cryptodev: introduce API and framework for crypto devices")

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Arek Kusztal <arkadiuszx.kusztal@intel.com>

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 127e8d0..54e95d5 100644 (file)
--- 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 ==