Commit f8c425a9 authored by Heiko Carstens's avatar Heiko Carstens Committed by Vasily Gorbik
Browse files

s390/mm: Use pgprot_val() instead of open coding 



Use pgprot_val() to get the page protection value, instead of accessing the
structure member directly. The type of pgprot_t is supposed to be hidden
from all users so that it can be changed; e.g. for STRICT_MM_TYPECHECKS.

Reviewed-by: default avatarAlexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent a64dcfb4

arch/s390/mm/init.c

+1 −1
Original line number Diff line number Diff line
@@ -285,7 +285,7 @@ int arch_add_memory(int nid, u64 start, u64 size, 
	unsigned long size_pages = PFN_DOWN(size);

	int rc;



	if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot))

	if (WARN_ON_ONCE(pgprot_val(params->pgprot) != pgprot_val(PAGE_KERNEL)))

		return -EINVAL;



	VM_BUG_ON(!mhp_range_allowed(start, size, true));