From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A77B54BD4; Tue, 27 Feb 2024 13:48:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709041709; cv=none; b=HU0+4K3QCjz59YLRvYQkMk60vmDcWsbPc1cW60x3X65ZJeVvdrZzDcIGZSdUszNQ/bsVWi2lmFGV/O66y9s6WuD6ycA6VJ0R+VkQSei/oGSQKXhSJmRXI814oBy9dYQEyhFBdK1s1MhgZOXG8zWiWhJhXzZ2N4+0L1jZGseAYBY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709041709; c=relaxed/simple; bh=ss/RnbpKonXw8zjelZqI2OdYCBVswftAm1sHEsM6S80=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QzmwRp8vbmL3evH0hw1NLVWQNuVxJd/0+HTdIODvHrIlILMUTnJqXuok6iU1+Wf7uwLbdQYIkjFuxEIyMf7Spb2s92EenOA5szPv0G1yhAL1fk+EmETtdFr1rDyHMco1x2PgAGBJpKBGxOPT5OPRUebBzmqyRX6c2p9B5vU3RJ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=i9Xv/YD+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="i9Xv/YD+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB8AEC433F1; Tue, 27 Feb 2024 13:48:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1709041709; bh=ss/RnbpKonXw8zjelZqI2OdYCBVswftAm1sHEsM6S80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i9Xv/YD+dAy5m0t2WxdBdXfuYza0mRNCXROzQ2rNc2lMbEnlMUQ45LgMsWce8FDuy AqlvX+7Au/o0JOreXWEVxdkQQCdPExRbwmcWyRBNLvScXbcICzNtwP60AkvNp9UtlW CKsj/appZA1pcNd6Akbe4wSQ3xm2UuIVP3Nf+v5Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kunwu Chan , Rahul Rameshbabu , Jiri Kosina , Sasha Levin Subject: [PATCH 6.6 043/299] HID: nvidia-shield: Add missing null pointer checks to LED initialization Date: Tue, 27 Feb 2024 14:22:34 +0100 Message-ID: <20240227131627.371806752@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240227131625.847743063@linuxfoundation.org> References: <20240227131625.847743063@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Kunwu Chan [ Upstream commit b6eda11c44dc89a681e1c105f0f4660e69b1e183 ] devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity. [jkosina@suse.com: tweak changelog a bit] Signed-off-by: Kunwu Chan Reviewed-by: Rahul Rameshbabu Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- drivers/hid/hid-nvidia-shield.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/hid/hid-nvidia-shield.c b/drivers/hid/hid-nvidia-shield.c index c463e54decbce..edd0b0f1193bd 100644 --- a/drivers/hid/hid-nvidia-shield.c +++ b/drivers/hid/hid-nvidia-shield.c @@ -800,6 +800,8 @@ static inline int thunderstrike_led_create(struct thunderstrike *ts) led->name = devm_kasprintf(&ts->base.hdev->dev, GFP_KERNEL, "thunderstrike%d:blue:led", ts->id); + if (!led->name) + return -ENOMEM; led->max_brightness = 1; led->flags = LED_CORE_SUSPENDRESUME | LED_RETAIN_AT_SHUTDOWN; led->brightness_get = &thunderstrike_led_get_brightness; @@ -831,6 +833,8 @@ static inline int thunderstrike_psy_create(struct shield_device *shield_dev) shield_dev->battery_dev.desc.name = devm_kasprintf(&ts->base.hdev->dev, GFP_KERNEL, "thunderstrike_%d", ts->id); + if (!shield_dev->battery_dev.desc.name) + return -ENOMEM; shield_dev->battery_dev.psy = power_supply_register( &hdev->dev, &shield_dev->battery_dev.desc, &psy_cfg); -- 2.43.0