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Commit 7f252717 authored by Joe Perches's avatar Joe Perches Committed by Linus Torvalds
Browse files

drivers/block/floppy.c: convert raw_cmd_copyin from while(1) to label: goto 



Reduces indent.
Makes a bit more readable and intelligible.
Return value now at bottom of function.

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ce2f11fe

drivers/block/floppy.c

+38 −35
Original line number Diff line number Diff line
@@ -3126,6 +3126,7 @@ static inline int raw_cmd_copyout(int cmd, void __user *param, 
		}

		ptr = ptr->next;

	}



	return 0;

}
@@ -3156,7 +3157,8 @@ static inline int raw_cmd_copyin(int cmd, void __user *param, 
	int i;



	*rcmd = NULL;

	while (1) {



loop:

	ptr = kmalloc(sizeof(struct floppy_raw_cmd), GFP_USER);

	if (!ptr)

		return -ENOMEM;
@@ -3186,24 +3188,25 @@ static inline int raw_cmd_copyin(int cmd, void __user *param, 
	if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {

		if (ptr->length <= 0)

			return -EINVAL;

			ptr->kernel_data =

			    (char *)fd_dma_mem_alloc(ptr->length);

		ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length);

		fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length);

		if (!ptr->kernel_data)

			return -ENOMEM;

		ptr->buffer_length = ptr->length;

	}

	if (ptr->flags & FD_RAW_WRITE) {

			ret = fd_copyin(ptr->data, ptr->kernel_data,

					ptr->length);

		ret = fd_copyin(ptr->data, ptr->kernel_data, ptr->length);

		if (ret)

			return ret;

	}



	if (ptr->flags & FD_RAW_MORE) {

		rcmd = &(ptr->next);

		if (!(ptr->flags & FD_RAW_MORE))

			return 0;

		ptr->rate &= 0x43;

		goto loop;

	}



	return 0;

}



static int raw_cmd_ioctl(int cmd, void __user *param)