From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1 1/1] coresight: core: Switch to krealloc_array()
Date: Thu, 20 May 2021 16:50:41 +0300 [thread overview]
Message-ID: <20210520135041.56163-1-andriy.shevchenko@linux.intel.com> (raw)
Let the krealloc_array() check for multiplication overflow.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
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;
--
2.30.2
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next reply other threads:[~2021-05-20 13:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-20 13:50 Andy Shevchenko [this message]
2021-05-21 16:10 ` [PATCH v1 1/1] coresight: core: Switch to krealloc_array() Mathieu Poirier
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