Messages in this thread Patch in this message | | | Subject | [PATCH 01/21] ACPI-video: Use kmalloc_array() in acpi_video_get_levels() | From | SF Markus Elfring <> | Date | Mon, 5 Sep 2016 18:45:05 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 5 Sep 2016 11:33:30 +0200
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.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/acpi/acpi_video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index c5557d0..3d39b53 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -784,8 +784,9 @@ int acpi_video_get_levels(struct acpi_device *device, goto out; } - br->levels = kmalloc((obj->package.count + 2) * sizeof *(br->levels), - GFP_KERNEL); + br->levels = kmalloc_array(obj->package.count + 2, + sizeof(*br->levels), + GFP_KERNEL); if (!br->levels) { result = -ENOMEM; goto out_free; -- 2.10.0
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