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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-09 09:02:35 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-09 09:02:35 +0200
commit1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee (patch)
tree47da3feee8e263e8c9352c85cf518e624be3c211 /arch/s390/mm/gup.c
parentstaging: irda: au1k_ir.c fix warning: Prefer [subsystem eg: netdev]_info([sub... (diff)
parentLinux 4.14-rc4 (diff)
downloadlinux-1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee.tar.xz
linux-1236d6bb6e19fc72ffc6bbcdeb1bfefe450e54ee.zip
Merge 4.14-rc4 into staging-next
We want the staging/iio fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/mm/gup.c')
-rw-r--r--arch/s390/mm/gup.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c
index 8ecc25e760fa..98ffe3ee9411 100644
--- a/arch/s390/mm/gup.c
+++ b/arch/s390/mm/gup.c
@@ -56,13 +56,12 @@ static inline int gup_pte_range(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
static inline int gup_huge_pmd(pmd_t *pmdp, pmd_t pmd, unsigned long addr,
unsigned long end, int write, struct page **pages, int *nr)
{
- unsigned long mask, result;
struct page *head, *page;
+ unsigned long mask;
int refs;
- result = write ? 0 : _SEGMENT_ENTRY_PROTECT;
- mask = result | _SEGMENT_ENTRY_INVALID;
- if ((pmd_val(pmd) & mask) != result)
+ mask = (write ? _SEGMENT_ENTRY_PROTECT : 0) | _SEGMENT_ENTRY_INVALID;
+ if ((pmd_val(pmd) & mask) != 0)
return 0;
VM_BUG_ON(!pfn_valid(pmd_val(pmd) >> PAGE_SHIFT));