From patchwork Mon Dec 11 03:30:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunwu Chan X-Patchwork-Id: 13486603 X-Patchwork-Delegate: kvalo@adurom.com Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B38FE9; Sun, 10 Dec 2023 19:30:47 -0800 (PST) X-UUID: 8c610b21d4dd43e78e60a6bfbc3acfb6-20231211 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33,REQID:11677d22-57f1-4fa4-b5f8-bee90eef913c,IP:5,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-10 X-CID-INFO: VERSION:1.1.33,REQID:11677d22-57f1-4fa4-b5f8-bee90eef913c,IP:5,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:-10 X-CID-META: VersionHash:364b77b,CLOUDID:b30405bd-2ac7-4da2-9f94-677a477649d9,B ulkID:231211113033ZT95PL27,BulkQuantity:0,Recheck:0,SF:44|66|38|24|17|19|1 02,TC:nil,Content:0,EDM:-3,IP:-2,URL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil ,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_FSD,TF_CID_SPAM_FSI,TF_CID_SPAM_ULN,TF_CID_SPAM_SNR, TF_CID_SPAM_FAS X-UUID: 8c610b21d4dd43e78e60a6bfbc3acfb6-20231211 X-User: chentao@kylinos.cn Received: from vt.. [(116.128.244.169)] by mailgw (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 278654567; Mon, 11 Dec 2023 11:30:31 +0800 From: Kunwu Chan To: stf_xl@wp.pl, kvalo@kernel.org Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Kunwu Chan , Kunwu Chan Subject: [PATCH] iwlegacy: Add null pointer check to il_leds_init Date: Mon, 11 Dec 2023 11:30:19 +0800 Message-Id: <20231211033019.238149-1-chentao@kylinos.cn> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Cc: Kunwu Chan Signed-off-by: Kunwu Chan Acked-by: Stanislaw Gruszka --- drivers/net/wireless/intel/iwlegacy/common.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index 054fef680aba..17570d62c896 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -541,6 +541,9 @@ il_leds_init(struct il_priv *il) il->led.name = kasprintf(GFP_KERNEL, "%s-led", wiphy_name(il->hw->wiphy)); + if (!il->led.name) + return; + il->led.brightness_set = il_led_brightness_set; il->led.blink_set = il_led_blink_set; il->led.max_brightness = 1;