Commit bc7806b3 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Martin K. Petersen
Browse files

scsi: ch: Don't use GFP_DMA 

The allocated buffers are used as a command payload, for which the block
layer and/or DMA API do the proper bounce buffering if needed.

Link: https://lore.kernel.org/r/20211222090311.916624-1-hch@lst.de


Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent b4cc0949

drivers/scsi/ch.c

+3 −3
Original line number Diff line number Diff line
@@ -239,7 +239,7 @@ ch_read_element_status(scsi_changer *ch, u_int elem, char *data) 
	u_char  *buffer;

	int     result;



	buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);

	buffer = kmalloc(512, GFP_KERNEL);

	if(!buffer)

		return -ENOMEM;
@@ -297,7 +297,7 @@ ch_readconfig(scsi_changer *ch) 
	int     result,id,lun,i;

	u_int   elem;



	buffer = kzalloc(512, GFP_KERNEL | GFP_DMA);

	buffer = kzalloc(512, GFP_KERNEL);

	if (!buffer)

		return -ENOMEM;
@@ -783,7 +783,7 @@ static long ch_ioctl(struct file *file, 
			return -EINVAL;

		elem = ch->firsts[cge.cge_type] + cge.cge_unit;



		buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);

		buffer = kmalloc(512, GFP_KERNEL);

		if (!buffer)

			return -ENOMEM;

		mutex_lock(&ch->lock);