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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/misc/cxl
parent82b0f8c39a3869b6fd2a10e180a862248736ec6f (diff)
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/misc/cxl')
-rw-r--r--drivers/misc/cxl/context.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c
index 5e506c19108a..5d36dcc7f47e 100644
--- a/drivers/misc/cxl/context.c
+++ b/drivers/misc/cxl/context.c
@@ -117,13 +117,12 @@ int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master,
static int cxl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct cxl_context *ctx = vma->vm_file->private_data;
- unsigned long address = (unsigned long)vmf->virtual_address;
u64 area, offset;
offset = vmf->pgoff << PAGE_SHIFT;
pr_devel("%s: pe: %i address: 0x%lx offset: 0x%llx\n",
- __func__, ctx->pe, address, offset);
+ __func__, ctx->pe, vmf->address, offset);
if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
area = ctx->afu->psn_phys;
@@ -155,7 +154,7 @@ static int cxl_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
- vm_insert_pfn(vma, address, (area + offset) >> PAGE_SHIFT);
+ vm_insert_pfn(vma, vmf->address, (area + offset) >> PAGE_SHIFT);
mutex_unlock(&ctx->status_mutex);