linux-kernel - [PATCH 3/7] media: saa7134: Use devm_request

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240411-fix-smatch-v1-3-045f92467937@chromium.org>
Date: Thu, 11 Apr 2024 21:17:52 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Bluecherry Maintainers <maintainers@...echerrydvr.com>, 
 Anton Sviridenko <anton@...p.bluecherry.net>, 
 Andrey Utkin <andrey_utkin@...tmail.com>, 
 Ismael Luceno <ismael@...ev.co.uk>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Patrice Chotard <patrice.chotard@...s.st.com>
Cc: Hans Verkuil <hverkuil-cisco@...all.nl>, linux-media@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 3/7] media: saa7134: Use devm_request_irq

The handled version of request_irq let us remove the free_irq and makes
smatch happier:

drivers/media/pci/saa7134/saa7134-alsa.c:1186 alsa_card_saa7134_create() warn: 'dev->pci->irq' from request_irq() not released on lines: 1186

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/pci/saa7134/saa7134-alsa.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/media/pci/saa7134/saa7134-alsa.c b/drivers/media/pci/saa7134/saa7134-alsa.c
index d3cde05a6ebab..dd2236c5c4a17 100644
--- a/drivers/media/pci/saa7134/saa7134-alsa.c
+++ b/drivers/media/pci/saa7134/saa7134-alsa.c
@@ -1096,9 +1096,6 @@ static void snd_saa7134_free(struct snd_card * card)
 	if (chip->dev->dmasound.priv_data == NULL)
 		return;
 
-	if (chip->irq >= 0)
-		free_irq(chip->irq, &chip->dev->dmasound);
-
 	chip->dev->dmasound.priv_data = NULL;
 
 }
@@ -1147,10 +1144,8 @@ static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
 	chip->iobase = pci_resource_start(dev->pci, 0);
 
 
-	err = request_irq(dev->pci->irq, saa7134_alsa_irq,
-				IRQF_SHARED, dev->name,
-				(void*) &dev->dmasound);
-
+	err = devm_request_irq(&dev->pci->dev, dev->pci->irq, saa7134_alsa_irq,
+			       IRQF_SHARED, dev->name, &dev->dmasound);
 	if (err < 0) {
 		pr_err("%s: can't get IRQ %d for ALSA\n",
 			dev->name, dev->pci->irq);

-- 
2.44.0.683.g7961c838ac-goog