* [PATCH] 2.6.4: Fix NULL pointer dereference in blkmtd.c
@ 2004-03-11 8:30 Michel Marti
0 siblings, 0 replies; only message in thread
From: Michel Marti @ 2004-03-11 8:30 UTC (permalink / raw)
To: linux-kernel
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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