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GPU-DRM: Use kmalloc_array() in drm_legacy_addbufs_pci() 

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>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/b71c8fee-8e84-9f1b-8569-f1ae8b879cc5@users.sourceforge.net
This commit is contained in:
Markus Elfring 2016-09-19 17:07:06 +02:00 committed by Daniel Vetter
parent 823d1bc108
commit 2027400893
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/drm_bufs.c
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@ -923,8 +923,9 @@ int drm_legacy_addbufs_pci(struct drm_device *dev,
/* Keep the original pagelist until we know all the allocations
* have succeeded
*/
temp_pagelist = kmalloc((dma->page_count + (count << page_order)) *
sizeof(*dma->pagelist), GFP_KERNEL);
temp_pagelist = kmalloc_array(dma->page_count + (count << page_order),
sizeof(*dma->pagelist),
GFP_KERNEL);
if (!temp_pagelist) {
kfree(entry->buflist);
kfree(entry->seglist);