This patches fixes a null pointer derefencing that happens
when the device string passed to the iterator is NULL. This
situation can happen when iterating on a class type.
For example:
RTE_DEV_FOREACH(dev, "class=eth", &dev_iter) {
...
}
Fixes: e79df833d3f6 ("bus/dpaa: support hotplug ops")
Cc: sta...@dpdk.org
Cc: shreyansh.j...@nxp.com
Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
drivers/bus/dpaa/dpaa_bus.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index d53fe6083a..216f38acd4 100644
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -703,6 +703,11 @@ dpaa_bus_dev_iterate(const void *start, const char *str,
struct rte_dpaa_device *dev;
char *dup, *dev_name = NULL;
+ if (str == NULL) {
+ DPAA_BUS_DEBUG("No device string\n");
+ return NULL;
+ }
+
/* Expectation is that device would be name=device_name */
if (strncmp(str, "name=", 5) != 0) {
DPAA_BUS_DEBUG("Invalid device string (%s)\n", str);
--
2.26.2
