2021-06-14 18:00:29

by Mathieu Poirier

[permalink] [raw]
Subject: [PATCH 1/6] coresight: core: Switch to krealloc_array()

From: Andy Shevchenko <[email protected]>

Let the krealloc_array() check for multiplication overflow.

Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mathieu Poirier <[email protected]>
---
drivers/hwtracing/coresight/coresight-core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 6c68d34d956e..a7971c68b0be 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -1730,9 +1730,9 @@ 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),
- GFP_KERNEL);
+ list = krealloc_array(dict->fwnode_list,
+ idx + 1, sizeof(*dict->fwnode_list),
+ GFP_KERNEL);
if (ZERO_OR_NULL_PTR(list)) {
idx = -ENOMEM;
goto done;
--
2.25.1