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>
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index 768087d..a293c8b 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -17,12 +17,11 @@
static int armada_gem_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct armada_gem_object *obj = drm_to_armada_gem(vma->vm_private_data);
- unsigned long addr = (unsigned long)vmf->virtual_address;
unsigned long pfn = obj->phys_addr >> PAGE_SHIFT;
int ret;
- pfn += (addr - vma->vm_start) >> PAGE_SHIFT;
- ret = vm_insert_pfn(vma, addr, pfn);
+ pfn += (vmf->address - vma->vm_start) >> PAGE_SHIFT;
+ ret = vm_insert_pfn(vma, vmf->address, pfn);
switch (ret) {
case 0:
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index caa4e4c..bd311c7 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -124,8 +124,7 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
* Using vm_pgoff as a selector forces us to use this unusual
* addressing scheme.
*/
- resource_size_t offset = (unsigned long)vmf->virtual_address -
- vma->vm_start;
+ resource_size_t offset = vmf->address - vma->vm_start;
resource_size_t baddr = map->offset + offset;
struct drm_agp_mem *agpmem;
struct page *page;
@@ -195,7 +194,7 @@ static int drm_do_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!map)
return VM_FAULT_SIGBUS; /* Nothing allocated */
- offset = (unsigned long)vmf->virtual_address - vma->vm_start;
+ offset = vmf->address - vma->vm_start;
i = (unsigned long)map->handle + offset;
page = vmalloc_to_page((void *)i);
if (!page)
@@ -301,7 +300,8 @@ static int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!dma->pagelist)
return VM_FAULT_SIGBUS; /* Nothing allocated */
- offset = (unsigned long)vmf->virtual_address - vma->vm_start; /* vm_[pg]off[set] should be 0 */
+ offset = vmf->address - vma->vm_start;
+ /* vm_[pg]off[set] should be 0 */
page_nr = offset >> PAGE_SHIFT; /* page_nr could just be vmf->pgoff */
page = virt_to_page((void *)dma->pagelist[page_nr]);
@@ -337,7 +337,7 @@ static int drm_do_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!entry->pagelist)
return VM_FAULT_SIGBUS; /* Nothing allocated */
- offset = (unsigned long)vmf->virtual_address - vma->vm_start;
+ offset = vmf->address - vma->vm_start;
map_offset = map->offset - (unsigned long)dev->sg->virtual;
page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT);
page = entry->pagelist[page_offset];
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index 6f5dfab..114dddb 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) {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index ea7a182..57b8146 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -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) {
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 4071b2d..8b44fa5 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -125,7 +125,7 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
psbfb->gtt->offset;
page_num = vma_pages(vma);
- address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT);
+ address = vmf->address - (vmf->pgoff << PAGE_SHIFT);
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c
index 6d1cb6b..527c629 100644
--- a/drivers/gpu/drm/gma500/gem.c
+++ b/drivers/gpu/drm/gma500/gem.c
@@ -197,15 +197,14 @@ int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
/* Page relative to the VMA start - we must calculate this ourselves
because vmf->pgoff is the fake GEM offset */
- page_offset = ((unsigned long) vmf->virtual_address - vma->vm_start)
- >> PAGE_SHIFT;
+ page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
/* CPU view of the page, don't go via the GART for CPU writes */
if (r->stolen)
pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT;
else
pfn = page_to_pfn(r->pages[page_offset]);
- ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
+ ret = vm_insert_pfn(vma, vmf->address, pfn);
fail:
mutex_unlock(&dev_priv->mmap_mutex);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d0dcaf3..412f351 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1796,8 +1796,7 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf)
int ret;
/* We don't use vmf->pgoff since that has the fake offset */
- page_offset = ((unsigned long)vmf->virtual_address - area->vm_start) >>
- PAGE_SHIFT;
+ page_offset = (vmf->address - area->vm_start) >> PAGE_SHIFT;
trace_i915_gem_object_fault(obj, page_offset, true, write);
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index cd06cfd..d8bc59c 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -225,16 +225,14 @@ int msm_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;
pfn = page_to_pfn(pages[pgoff]);
- VERB("Inserting %p pfn %lx, pa %lx", vmf->virtual_address,
+ VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address,
pfn, pfn << PAGE_SHIFT);
- 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_unlock:
mutex_unlock(&dev->struct_mutex);
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index d4e1e11..4a90c69 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -398,8 +398,7 @@ static int fault_1d(struct drm_gem_object *obj,
pgoff_t pgoff;
/* 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;
if (omap_obj->pages) {
omap_gem_cpu_sync(obj, pgoff);
@@ -409,11 +408,10 @@ static int fault_1d(struct drm_gem_object *obj,
pfn = (omap_obj->paddr >> PAGE_SHIFT) + pgoff;
}
- VERB("Inserting %p pfn %lx, pa %lx", vmf->virtual_address,
+ VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address,
pfn, pfn << PAGE_SHIFT);
- return vm_insert_mixed(vma, (unsigned long)vmf->virtual_address,
- __pfn_to_pfn_t(pfn, PFN_DEV));
+ return vm_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV));
}
/* Special handling for the case of faulting in 2d tiled buffers */
@@ -427,7 +425,7 @@ static int fault_2d(struct drm_gem_object *obj,
struct page *pages[64]; /* XXX is this too much to have on stack? */
unsigned long pfn;
pgoff_t pgoff, base_pgoff;
- void __user *vaddr;
+ unsigned long vaddr;
int i, ret, slots;
/*
@@ -447,8 +445,7 @@ static int fault_2d(struct drm_gem_object *obj,
const int m = 1 + ((omap_obj->width << fmt) / PAGE_SIZE);
/* 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;
/*
* Actual address we start mapping at is rounded down to previous slot
@@ -459,7 +456,7 @@ static int fault_2d(struct drm_gem_object *obj,
/* figure out buffer width in slots */
slots = omap_obj->width >> priv->usergart[fmt].slot_shift;
- vaddr = vmf->virtual_address - ((pgoff - base_pgoff) << PAGE_SHIFT);
+ vaddr = vmf->address - ((pgoff - base_pgoff) << PAGE_SHIFT);
entry = &priv->usergart[fmt].entry[priv->usergart[fmt].last];
@@ -503,12 +500,11 @@ static int fault_2d(struct drm_gem_object *obj,
pfn = entry->paddr >> PAGE_SHIFT;
- VERB("Inserting %p pfn %lx, pa %lx", vmf->virtual_address,
+ VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address,
pfn, pfn << PAGE_SHIFT);
for (i = n; i > 0; i--) {
- vm_insert_mixed(vma, (unsigned long)vaddr,
- __pfn_to_pfn_t(pfn, PFN_DEV));
+ vm_insert_mixed(vma, vaddr, __pfn_to_pfn_t(pfn, PFN_DEV));
pfn += priv->usergart[fmt].stride_pfn;
vaddr += PAGE_SIZE * m;
}
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index c08e527..7d853e6 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -452,10 +452,10 @@ static int tegra_bo_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
if (!bo->pages)
return VM_FAULT_SIGBUS;
- offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >> PAGE_SHIFT;
+ offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
page = bo->pages[offset];
- err = vm_insert_page(vma, (unsigned long)vmf->virtual_address, page);
+ err = vm_insert_page(vma, vmf->address, page);
switch (err) {
case -EAGAIN:
case 0:
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 4748aed..68ef993 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -101,7 +101,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
struct page *page;
int ret;
int i;
- unsigned long address = (unsigned long)vmf->virtual_address;
+ unsigned long address = vmf->address;
int retval = VM_FAULT_NOPAGE;
struct ttm_mem_type_manager *man =
&bdev->man[bo->mem.mem_type];
diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index 818e707..3c0c4bd 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -107,14 +107,13 @@ int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
unsigned int page_offset;
int ret = 0;
- page_offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >>
- PAGE_SHIFT;
+ page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
if (!obj->pages)
return VM_FAULT_SIGBUS;
page = obj->pages[page_offset];
- ret = vm_insert_page(vma, (unsigned long)vmf->virtual_address, page);
+ ret = vm_insert_page(vma, vmf->address, page);
switch (ret) {
case -EAGAIN:
case 0:
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index f36c147..477e07f 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -54,7 +54,7 @@ static int vgem_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct drm_vgem_gem_object *obj = vma->vm_private_data;
/* We don't use vmf->pgoff since that has the fake offset */
- unsigned long vaddr = (unsigned long)vmf->virtual_address;
+ unsigned long vaddr = vmf->address;
struct page *page;
page = shmem_read_mapping_page(file_inode(obj->base.filp)->i_mapping,