From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965097AbbJ0Smj (ORCPT ); Tue, 27 Oct 2015 14:42:39 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:35849 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754425AbbJ0Smi (ORCPT ); Tue, 27 Oct 2015 14:42:38 -0400 From: Saurabh Sengar To: matt@codeblueprint.co.uk, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Saurabh Sengar Subject: [PATCH] efi: replace GFP_KERNEL with GFP_ATOMIC Date: Wed, 28 Oct 2015 00:12:29 +0530 Message-Id: <1445971349-3322-1-git-send-email-saurabh.truth@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org replace GFP_KERNEL with GFP_ATOMIC, as code while holding a spinlock should be atomic GFP_KERNEL may sleep and can cause deadlock, where as GFP_ATOMIC may fail but certainly avoids deadlock Signed-off-by: Saurabh Sengar --- drivers/firmware/efi/vars.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c index 70a0fb1..c07de85 100644 --- a/drivers/firmware/efi/vars.c +++ b/drivers/firmware/efi/vars.c @@ -334,7 +334,7 @@ static void dup_variable_bug(efi_char16_t *str16, efi_guid_t *vendor_guid, */ efivar_wq_enabled = false; - str8 = kzalloc(len8, GFP_KERNEL); + str8 = kzalloc(len8, GFP_ATOMIC); if (!str8) return; -- 1.9.1