Commit 1b8cb929 authored Aug 23, 2012 by Peter Ujfalusi Committed by Greg Kroah-Hartman Sep 06, 2012

driver core: Check if r->name is valid in platform_get_resource_byname()

Safety check for the validity of the resource name before calling strcmp().
If the resource name is NULL do not compare it, just skip it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 45f035ab

drivers/base/platform.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -103,6 +103,9 @@ struct resource platform_get_resource_byname(struct platform_device dev,
		for (i = 0; i < dev->num_resources; i++) {
		struct resource *r = &dev->resource[i];

		if (unlikely(!r->name))
		continue;

		if (type == resource_type(r) && !strcmp(r->name, name))
		return r;
		}