linux-kernel - [PATCH] usbaudio: handle kcalloc failure

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Date:	Tue, 19 Feb 2008 23:13:39 +0100
From:	Jim Meyering <jim@...ering.net>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Markus Armbruster <armbru@...hat.com>,
	Jim Meyering <jim@...ering.net>
Subject: [PATCH] usbaudio: handle kcalloc failure

* sound/usb/usbaudio.c (check_hw_params_convention): Handle kcalloc failure.

Signed-off-by: Jim Meyering <meyering@...hat.com>
---
 sound/usb/usbaudio.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 8fa9356..b61533d 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1735,6 +1735,8 @@ static int check_hw_params_convention(struct snd_usb_substream *subs)

 	channels = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
 	rates = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
+	if (!channels || !rates)
+		goto __out;

 	list_for_each(p, &subs->fmt_list) {
 		struct audioformat *f;
-- 
1.5.4.2.134.g82883

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