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Date: Wed, 1 Nov 2017 13:58:30 +0300 From: Dan Carpenter <dan.carpenter@...cle.com> To: Gilad Ben-Yossef <gilad@...yossef.com> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org, driverdev-devel@...uxdriverproject.org, linux-crypto@...r.kernel.org, Ofir Drang <ofir.drang@....com> Subject: Re: [PATCH 1/3] staging: ccree: copy IV to DMAable memory On Tue, Oct 31, 2017 at 11:56:15AM +0000, Gilad Ben-Yossef wrote: > + > + /* The IV we are handed may be allocted from the stack so > + * we must copy it to a DMAable buffer before use. > + */ > + req_ctx->iv = kmalloc(ivsize, GFP_KERNEL); > + memcpy(req_ctx->iv, info, ivsize); We need to check if kmalloc() fails. regards, dan carpenter
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