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coresight: core: Switch to krealloc_array()

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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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210614175901.532683-2-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-06-14 11:58:56 -06:00 • committed by Greg Kroah-Hartman
parent 5e77886d0a
commit 0ae8d798c8
1 changed files with 3 additions and 3 deletions
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6
drivers/hwtracing/coresight/coresight-core.c
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@ -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;