linux-kernel - [Patch v2] sound: soc: codecs: wcd9335: add irqflag IRQF

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-next>] [day] [month] [year] [list]

Message-ID: <20190710021627.GA13396@hari-Inspiron-1545>
Date:   Wed, 10 Jul 2019 07:46:27 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Hariprasad Kelam <hariprasad.kelam@...il.com>,
        Gen Zhang <blackgod016574@...il.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [Patch v2] sound: soc: codecs: wcd9335: add irqflag IRQF_ONESHOT flag

Add IRQF_ONESHOT to ensure "Interrupt is not reenabled after the hardirq
handler finished".

fixes below issue reported by coccicheck

sound/soc/codecs/wcd9335.c:4068:8-33: ERROR: Threaded IRQ with no
primary handler requested without IRQF_ONESHOT

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
---
v1 : add IRQF_ONESHOT and introduce irqflags variable 
v2 : remove irqflags variable

 sound/soc/codecs/wcd9335.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c
index 1bbbe42..9566027 100644
--- a/sound/soc/codecs/wcd9335.c
+++ b/sound/soc/codecs/wcd9335.c
@@ -4062,7 +4062,8 @@ static int wcd9335_setup_irqs(struct wcd9335_codec *wcd)
 
 		ret = devm_request_threaded_irq(wcd->dev, irq, NULL,
 						wcd9335_irqs[i].handler,
-						IRQF_TRIGGER_RISING,
+						IRQF_TRIGGER_RISING |
+						IRQF_ONESHOT,
 						wcd9335_irqs[i].name, wcd);
 		if (ret) {
 			dev_err(wcd->dev, "Failed to request %s\n",
-- 
2.7.4