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authorThomas Hellstrom <thellstrom@vmware.com>2009-07-31 10:47:51 +0200
committerDave Airlie <airlied@redhat.com>2009-08-04 13:41:04 +1000
commit6d0897ba58139523d37e97855ee0fe2d78629da6 (patch)
tree23d333a187d6537e2f2335045b26333d7a92d908 /drivers
parent0924d942256ac470c5f7b4ebaf7fe0415fc6fa59 (diff)
drm/ttm: Fix a potential comparison of structs.
On some architectures the comparison may cause a compilation failure. Original partial fix Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index ce2e6f38ea0..ad4ada07c6c 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -150,7 +150,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src,
#ifdef CONFIG_X86
dst = kmap_atomic_prot(d, KM_USER0, prot);
#else
- if (prot != PAGE_KERNEL)
+ if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
dst = vmap(&d, 1, 0, prot);
else
dst = kmap(d);
@@ -163,7 +163,7 @@ static int ttm_copy_io_ttm_page(struct ttm_tt *ttm, void *src,
#ifdef CONFIG_X86
kunmap_atomic(dst, KM_USER0);
#else
- if (prot != PAGE_KERNEL)
+ if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
vunmap(dst);
else
kunmap(d);
@@ -186,7 +186,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
#ifdef CONFIG_X86
src = kmap_atomic_prot(s, KM_USER0, prot);
#else
- if (prot != PAGE_KERNEL)
+ if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
src = vmap(&s, 1, 0, prot);
else
src = kmap(s);
@@ -199,7 +199,7 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
#ifdef CONFIG_X86
kunmap_atomic(src, KM_USER0);
#else
- if (prot != PAGE_KERNEL)
+ if (pgprot_val(prot) != pgprot_val(PAGE_KERNEL))
vunmap(src);
else
kunmap(s);