From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: gregkh@linuxfoundation.org
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 1/6] coresight: core: Switch to krealloc_array()
Date: Mon, 14 Jun 2021 11:58:56 -0600 [thread overview]
Message-ID: <20210614175901.532683-2-mathieu.poirier@linaro.org> (raw)
In-Reply-To: <20210614175901.532683-1-mathieu.poirier@linaro.org>
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Let the krealloc_array() check for multiplication overflow.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210520135041.56163-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
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
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next prev parent reply other threads:[~2021-06-14 18:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-14 17:58 [PATCH 0/6] coresight: Patches for v5.14 Mathieu Poirier
2021-06-14 17:58 ` Mathieu Poirier [this message]
2021-06-14 17:58 ` [PATCH 2/6] coresight: core: Fix use of uninitialized pointer Mathieu Poirier
2021-06-14 17:58 ` [PATCH 3/6] coresight: core: Remove unnecessary assignment Mathieu Poirier
2021-06-14 17:58 ` [PATCH 4/6] coresight: etm4x: core: Remove redundant check of attr Mathieu Poirier
2021-06-14 17:59 ` [PATCH 5/6] coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer() Mathieu Poirier
2021-06-14 17:59 ` [PATCH 6/6] coresight: Propagate symlink failure Mathieu Poirier
2021-06-15 7:31 ` [PATCH 0/6] coresight: Patches for v5.14 Greg KH
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