From: Michel Marti <michel.marti@objectxp.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] 2.6.4: Fix NULL pointer dereference in blkmtd.c
Date: Thu, 11 Mar 2004 09:30:14 +0100 [thread overview]
Message-ID: <40502396.3030402@objectxp.com> (raw)
Hello all,
The blkmtd driver oopses in add_device(). The following trivial patch fixes
this.
Cheers,
- Michel
diff -urN linux-2.6.4/drivers/mtd/devices/blkmtd.c linux-2.6.4-mma/drivers/mtd/devices/blkmtd.c
--- linux-2.6.4/drivers/mtd/devices/blkmtd.c 2004-02-18 04:57:13.000000000 +0100
+++ linux-2.6.4-mma/drivers/mtd/devices/blkmtd.c 2004-03-11 09:02:45.000000000 +0100
@@ -664,12 +664,12 @@
}
memset(dev, 0, sizeof(struct blkmtd_dev));
+ dev->blkdev = bdev;
atomic_set(&(dev->blkdev->bd_inode->i_mapping->truncate_count), 0);
if(!readonly) {
init_MUTEX(&dev->wrbuf_mutex);
}
- dev->blkdev = bdev;
dev->mtd_info.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
/* Setup the MTD structure */
reply other threads:[~2004-03-11 8:30 UTC|newest]
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