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authorEric Anholt2009-04-08 01:01:22 +0200
committerEric Anholt2009-04-08 19:50:56 +0200
commite5e9ecde63ba365b510df0f4a9cb3b048a0ad785 (patch)
tree2ef878606a0483e7cac427ebb40dabd1c2346ba7 /drivers/gpu/drm/i915/i915_gem.c
parentdrm/i915: Fix use of uninitialized var in 40a5f0de (diff)
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drm/i915: Correctly set the write flag for get_user_pages in pread.
Otherwise, the results of our read didn't show up when we were faulting in the page being read into (as happened with a testcase reading into a big stack area). Likely accounts for some conformance test failures. Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6f7d0e27036f..3a1189d94a9a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -287,7 +287,7 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
down_read(&mm->mmap_sem);
pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
- num_pages, 0, 0, user_pages, NULL);
+ num_pages, 1, 0, user_pages, NULL);
up_read(&mm->mmap_sem);
if (pinned_pages < num_pages) {
ret = -EFAULT;