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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: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2021-12-22 10:03:11 +01:00 committed by Martin K. Petersen
parent b4cc094922
commit bc7806b395
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/ch.c
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@ -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);