ieee1394: Remove unnecessary casts of private_data

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index a77483b..5c74f79 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -720,7 +720,7 @@
 static long video1394_ioctl(struct file *file,
 			    unsigned int cmd, unsigned long arg)
 {
-	struct file_ctx *ctx = (struct file_ctx *)file->private_data;
+	struct file_ctx *ctx = file->private_data;
 	struct ti_ohci *ohci = ctx->ohci;
 	unsigned long flags;
 	void __user *argp = (void __user *)arg;
@@ -1172,7 +1172,7 @@
 
 static int video1394_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct file_ctx *ctx = (struct file_ctx *)file->private_data;
+	struct file_ctx *ctx = file->private_data;
 
 	if (ctx->current_ctx == NULL) {
 		PRINT(KERN_ERR, ctx->ohci->host->id,
@@ -1239,7 +1239,7 @@
 
 static int video1394_release(struct inode *inode, struct file *file)
 {
-	struct file_ctx *ctx = (struct file_ctx *)file->private_data;
+	struct file_ctx *ctx = file->private_data;
 	struct ti_ohci *ohci = ctx->ohci;
 	struct list_head *lh, *next;
 	u64 mask;