linux-kernel - [PATCH 09/10] oss: msnd: check 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-next>] [day] [month] [year] [list]

Message-Id: <1280335296-23475-1-git-send-email-segooon@gmail.com>
Date:	Wed, 28 Jul 2010 20:41:36 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	kernel-janitors@...r.kernel.org
Cc:	Andrew Veliath <andrewtv@....net>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Arnd Bergmann <arnd@...db.de>, Tejun Heo <tj@...nel.org>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH 09/10] oss: msnd: check request_region() return value

request_region() may fail, if so return -ENOMEM.

Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
---
 sound/oss/msnd_pinnacle.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index bfaac5f..cd70b9a 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -1400,9 +1400,13 @@ static int __init attach_multisound(void)
 		printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
 		return err;
 	}
-	request_region(dev.io, dev.numio, dev.name);
+	if (request_region(dev.io, dev.numio, dev.name) == NULL) {
+		free_irq(dev.irq, &dev);
+		return -ENOMEM;
+	}
 
-        if ((err = dsp_full_reset()) < 0) {
+	err = dsp_full_reset();
+	if (err < 0) {
 		release_region(dev.io, dev.numio);
 		free_irq(dev.irq, &dev);
 		return err;
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/