From mboxrd@z Thu Jan 1 00:00:00 1970 From: elfring@users.sourceforge.net (SF Markus Elfring) Date: Thu, 25 Aug 2016 17:50:36 +0200 Subject: [PATCH] arm: sys_oabi-compat: Use kmalloc_array() in two functions Message-ID: <5deba521-2dd4-cd2e-23d7-226a1a7728c3@users.sourceforge.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Markus Elfring Date: Thu, 25 Aug 2016 17:45:23 +0200 Multiplications for the size determination of memory allocations indicated that array data structures should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- arch/arm/kernel/sys_oabi-compat.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 5f221ac..e624db9 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -285,7 +285,7 @@ asmlinkage long sys_oabi_epoll_wait(int epfd, return -EINVAL; if (!access_ok(VERIFY_WRITE, events, sizeof(*events) * maxevents)) return -EFAULT; - kbuf = kmalloc(sizeof(*kbuf) * maxevents, GFP_KERNEL); + kbuf = kmalloc_array(maxevents, sizeof(*kbuf), GFP_KERNEL); if (!kbuf) return -ENOMEM; fs = get_fs(); @@ -323,7 +323,7 @@ asmlinkage long sys_oabi_semtimedop(int semid, return -EINVAL; if (!access_ok(VERIFY_READ, tsops, sizeof(*tsops) * nsops)) return -EFAULT; - sops = kmalloc(sizeof(*sops) * nsops, GFP_KERNEL); + sops = kmalloc_array(nsops, sizeof(*sops), GFP_KERNEL); if (!sops) return -ENOMEM; err = 0; -- 2.9.3