Fix blkdev ioctl bug

JohnMalliotakis · JohnMalliotakis · commit 06a2c9387ce6 · 2021-07-19T19:36:54.000+03:00
diff --git a/driver/main.c b/driver/main.c
@@ -393,7 +393,7 @@ static int raw_release(struct inode *inode, struct file *filp)
 static long raw_ioctl(struct file *filp, unsigned int command, unsigned long arg)
 {
 	int retval = 0;
-	struct pr_vma_data *pvd = (struct pr_vma_data *)filp->private_data;
+	struct pr_vma_data *pvd = ((struct fastmap_info *)filp->private_data)->pvd;
 	struct raw_device_data *rdd = pvd->meta.rdd;
 	struct block_device *bdev = pvd->bk.bdev;
 #if 0

Original file line number	Diff line number	Diff line change
`@@ -393,7 +393,7 @@ static int raw_release(struct inode inode, struct file filp)`
`393`	`393`	`static long raw_ioctl(struct file *filp, unsigned int command, unsigned long arg)`
`394`	`394`	`{`
`395`	`395`	`int retval = 0;`
`396`		`- struct pr_vma_data pvd = (struct pr_vma_data )filp->private_data;`
	`396`	`+ struct pr_vma_data pvd = ((struct fastmap_info )filp->private_data)->pvd;`
`397`	`397`	`struct raw_device_data *rdd = pvd->meta.rdd;`
`398`	`398`	`struct block_device *bdev = pvd->bk.bdev;`
`399`	`399`	`#if 0`