Commit 9a349be3 authored by Gerald Schaefer's avatar Gerald Schaefer Committed by Heiko Carstens
Browse files

s390/dcssblk: fix virtual vs physical address confusion 



Fix virtual vs physical address confusion. This does not fix a bug
since virtual and physical address spaces are currently the same.

dax_direct_access() should receive a virtual kernel address in kaddr.

Reviewed-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Acked-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: default avatarGerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 4e8477ae

drivers/s390/block/dcssblk.c

+1 −1
Original line number Diff line number Diff line
@@ -919,7 +919,7 @@ __dcssblk_direct_access(struct dcssblk_dev_info *dev_info, pgoff_t pgoff, 


	dev_sz = dev_info->end - dev_info->start + 1;

	if (kaddr)

		*kaddr = (void *) dev_info->start + offset;

		*kaddr = __va(dev_info->start + offset);

	if (pfn)

		*pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset),

				PFN_DEV|PFN_SPECIAL);