[PATCH v2 2/2] drm/i915: Handle validation of relocation object with size = 2GB

[Sagar Arun Kamble]

With prefaulting extended to support 2GB size, i915 can handle
relocation objects of 2GB.

v2: Removed relocs_maxs and relocs_count type change.

Testcase: igt/gem_exec_reloc/wc-31
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
---
 drivers/gpu/drm/i915/i915_gem_execbuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index a3e59c8..26459dd 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1177,7 +1177,7 @@ static bool only_mappable_for_reloc(unsigned int flags)
 
 	for (i = 0; i < count; i++) {
 		char __user *ptr = u64_to_user_ptr(exec[i].relocs_ptr);
-		int length; /* limited by fault_in_pages_readable() */
+		size_t length;
 
 		if (exec[i].flags & invalid_flags)
 			return -EINVAL;
-- 
1.9.1