Messages in this thread Patch in this message | | | Subject | [PATCH 1/5] powerpc-mpic: Use kmalloc_array() in mpic_init() | From | SF Markus Elfring <> | Date | Mon, 29 Aug 2016 13:07:37 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 29 Aug 2016 11:00:11 +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> --- arch/powerpc/sysdev/mpic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 7de45b2..5e79c0d24 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1641,8 +1641,9 @@ void __init mpic_init(struct mpic *mpic) #ifdef CONFIG_PM /* allocate memory to save mpic state */ - mpic->save_data = kmalloc(mpic->num_sources * sizeof(*mpic->save_data), - GFP_KERNEL); + mpic->save_data = kmalloc_array(mpic->num_sources, + sizeof(*mpic->save_data), + GFP_KERNEL); BUG_ON(mpic->save_data == NULL); #endif -- 2.9.3
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