[PATCH] 2.6.4: Fix NULL pointer dereference in blkmtd.c

[Michel Marti]

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 */

-
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