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authorJan Kara <jack@suse.cz>2016-12-14 15:07:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-14 16:04:09 -0800
commit1a29d85eb0f19b7d8271923d8917d7b4f5540b3e (patch)
tree76bf90e637fb4b0c95a7a9eb81bc9aec71329a4e /drivers/gpu/drm/etnaviv/etnaviv_gem.c
parent82b0f8c39a3869b6fd2a10e180a862248736ec6f (diff)
downloadlinux-0-day-1a29d85eb0f19b7d8271923d8917d7b4f5540b3e.tar.gz
linux-0-day-1a29d85eb0f19b7d8271923d8917d7b4f5540b3e.tar.xz
mm: use vmf->address instead of of vmf->virtual_address
Every single user of vmf->virtual_address typed that entry to unsigned long before doing anything with it so the type of virtual_address does not really provide us any additional safety. Just use masked vmf->address which already has the appropriate type. Link: http://lkml.kernel.org/r/1479460644-25076-3-git-send-email-jack@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gem.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index 6f5dfabb30969..114dddbd297ba 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -202,15 +202,14 @@ int etnaviv_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
/* We don't use vmf->pgoff since that has the fake offset: */
- pgoff = ((unsigned long)vmf->virtual_address -
- vma->vm_start) >> PAGE_SHIFT;
+ pgoff = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
page = pages[pgoff];
- VERB("Inserting %p pfn %lx, pa %lx", vmf->virtual_address,
+ VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address,
page_to_pfn(page), page_to_pfn(page) << PAGE_SHIFT);
- ret = vm_insert_page(vma, (unsigned long)vmf->virtual_address, page);
+ ret = vm_insert_page(vma, vmf->address, page);
out:
switch (ret) {