xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm: use vmf->address instead of of vmf->virtual_address

Browse Source 
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>
This commit is contained in:
Jan Kara
2016-12-14 15:07:01 -08:00
committed by Linus Torvalds
parent 82b0f8c39a
commit 1a29d85eb0
27 changed files with 57 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/exynos/exynos_drm_gem.c
View File

@@ -455,8 +455,7 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
pgoff_t page_offset;
int ret;
page_offset = ((unsigned long)vmf->virtual_address -
vma->vm_start) >> PAGE_SHIFT;
page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
if (page_offset >= (exynos_gem->size >> PAGE_SHIFT)) {
DRM_ERROR("invalid page offset\n");
@@ -465,8 +464,7 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
pfn = page_to_pfn(exynos_gem->pages[page_offset]);
ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address,
__pfn_to_pfn_t(pfn, PFN_DEV));
ret = vm_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV));
out:
switch (ret) {