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From: "Darren Jenkins\\" <darrenrjenkins@gmail.com>
To: kernel-janitors@vger.kernel.org
Subject: [KJ][Patch] check return value of request_region in matroxfb_base.c
Date: Mon, 27 Feb 2006 08:40:53 +0000	[thread overview]
Message-ID: <1141029654.7765.6.camel@localhost.localdomain> (raw)

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G'day list,

matroxfb_base.c calles 'request_region' @ 1737 without checking the
return value.

The patch below adds a check for this and plugs into the existing error
path.

Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>

--- linux-2.6.16-rc4/drivers/video/matrox/matroxfb_base.c.orig	2006-02-24 23:44:10.000000000 +1100
+++ linux-2.6.16-rc4/drivers/video/matrox/matroxfb_base.c	2006-02-27 19:26:26.000000000 +1100
@@ -1734,7 +1734,11 @@ static int initMatrox2(WPMINFO struct bo
 #endif	/* CONFIG_MTRR */
 
 	if (!ACCESS_FBINFO(devflags.novga))
-		request_region(0x3C0, 32, "matrox");
+		if (!request_region(0x3C0, 32, "matrox")) {
+			printk(KERN_ERR "matroxfb: failed to request_region");
+			err = -EBUSY;
+			goto failVideoIO;
+		}
 	matroxfb_g450_connect(PMINFO2);
 	ACCESS_FBINFO(hw_switch->reset(PMINFO2));
 



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             reply	other threads:[~2006-02-27  8:40 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-27  8:40 Darren Jenkins\ [this message]
2006-03-01  7:12 ` [KJ][Patch] check return value of request region in ali5455.c Darren Jenkins\
2006-03-03  6:31 ` [KJ][Patch] check return value of request_region in Petr Vandrovec
2006-03-11 13:48 ` [KJ][Patch] check return value of request_irq in amiserial.c Darren Jenkins\
2006-03-13  4:37 ` [KJ][Patch] check return value of request_irq in pcnet_cs.c Darren Jenkins\
2006-03-13  5:00 ` Randy.Dunlap
2006-03-13  5:16 ` Darren Jenkins\
2006-03-13  5:27 ` Randy.Dunlap
2006-03-13  6:16 ` Darren Jenkins\
2006-03-13 11:56 ` [KJ][Patch] check return value of request_irq in i82365.c Darren Jenkins\
2006-03-13 12:29 ` Tobias Klauser
2006-03-14  8:44 ` Darren Jenkins\
2006-03-14 16:26 ` Randy.Dunlap
2006-03-15  7:02 ` Darren Jenkins\
2006-03-15  7:32 ` Nishanth Aravamudan
2006-03-15 12:46 ` [KJ][Patch] check return value of request_region and request_irq Darren Jenkins\
2006-03-15 12:57 ` Tobias Klauser
2006-03-16 10:45 ` [KJ][Patch] check return value of request_region and Darren Jenkins\

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