From 8fb10e5eefacb6e20900e209e765680dd331fbe4 Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Fri, 23 Sep 2016 22:30:32 +0200 Subject: [PATCH] iio: Use kmalloc_array() in iio_scan_mask_set() commit 057ac1acdfc4743f066fcefe359385cad00549eb upstream. A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Change-Id: I56a1fb8b1124230dcc53d0100fe2eef31952a789 Signed-off-by: Markus Elfring Signed-off-by: Jonathan Cameron Signed-off-by: Ben Hutchings --- drivers/iio/industrialio-buffer.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index e13c5f4b12cb..29fa1ce6aa71 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -719,10 +719,9 @@ int iio_scan_mask_set(struct iio_dev *indio_dev, const unsigned long *mask; unsigned long *trialmask; - trialmask = kmalloc(sizeof(*trialmask)* - BITS_TO_LONGS(indio_dev->masklength), - GFP_KERNEL); - + trialmask = kmalloc_array(BITS_TO_LONGS(indio_dev->masklength), + sizeof(*trialmask), + GFP_KERNEL); if (trialmask == NULL) return -ENOMEM; if (!indio_dev->masklength) {