linux-kernel - [PATCH 7/7] Char: isicom, check kmalloc retval

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Message-id: <2618228894234632957@wsc.cz>
Date:	Thu, 19 Oct 2006 22:26:59 +0200 (CEST)
From:	Jiri Slaby <jirislaby@...il.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	<linux-kernel@...r.kernel.org>
Subject: [PATCH 7/7] Char: isicom, check kmalloc retval

isicom, check kmalloc retval

Value returned from kamlloc may be NULL, we should check if ENOMEM occured.

Signed-off-by: Jiri Slaby <jirislaby@...il.com>

---
commit a026bdacd388dd774b6e6bd50dcb12adb10115f1
tree f729251fccf62c68dfc4e126574f2e1ee898a35a
parent b298d99f4a779fb54b0035f0f870d5247b13b269
author Jiri Slaby <jirislaby@...il.com> Thu, 19 Oct 2006 19:47:29 +0200
committer Jiri Slaby <jirislaby@...il.com> Thu, 19 Oct 2006 19:47:29 +0200

 drivers/char/isicom.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 2f5be09..a3d59a6 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1708,6 +1708,11 @@ static int __devinit load_firmware(struc
 		}
 
 		data = kmalloc(word_count * 2, GFP_KERNEL);
+		if (data == NULL) {
+			dev_err(&pdev->dev, "Card%d, firmware upload "
+				"failed, not enough memory\n", index + 1);
+			goto errrelfw;
+		}
 		inw(base);
 		insw(base, data, word_count);
 		InterruptTheCard(base);
-
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