Commit 0ae8d798 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

coresight: core: Switch to krealloc_array() 

Let the krealloc_array() check for multiplication overflow.

Link: https://lore.kernel.org/r/20210520135041.56163-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210614175901.532683-2-mathieu.poirier@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5e77886d

drivers/hwtracing/coresight/coresight-core.c

+3 −3
Original line number Diff line number Diff line
@@ -1730,8 +1730,8 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict, 
	if (idx < 0) {

		/* Make space for the new entry */

		idx = dict->nr_idx;

		list = krealloc(dict->fwnode_list,

				(idx + 1) * sizeof(*dict->fwnode_list),

		list = krealloc_array(dict->fwnode_list,

				      idx + 1, sizeof(*dict->fwnode_list),

				      GFP_KERNEL);

		if (ZERO_OR_NULL_PTR(list)) {

			idx = -ENOMEM;