Commit c08004ee authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

s390/ism: don't pass bogus GFP_ flags to dma_alloc_coherent 



dma_alloc_coherent is an opaque allocator that only uses the GFP_ flags
for allocation context control.  Don't pass __GFP_COMP which makes no
sense for an allocation that can't in any way be converted to a page
pointer.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarWenjia Zhang <wenjia@linux.ibm.com>
parent bb73955c

drivers/s390/net/ism_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -243,7 +243,8 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct smcd_dmb *dmb) 


	dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,

					   &dmb->dma_addr,

					   GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC | __GFP_COMP | __GFP_NORETRY);

					   GFP_KERNEL | __GFP_NOWARN |

					   __GFP_NOMEMALLOC | __GFP_NORETRY);

	if (!dmb->cpu_addr)

		clear_bit(dmb->sba_idx, ism->sba_bitmap);