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drm/i915: use NULL for NULL pointers

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Fix sparse warning:

drivers/gpu/drm/i915/i915_cmd_parser.c:987:72: warning: Using plain
integer as NULL pointer

Fixes: 52a42cec4b70 ("drm/i915/cmdparser: Accelerate copies from WC memory")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1473946137-1931-4-git-send-email-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2016-09-15 16:28:55 +03:00
parent bcbfcc37cd
commit 911f4869eb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_cmd_parser.c
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@ -984,7 +984,7 @@ static u32 *copy_batch(struct drm_i915_gem_object *dst_obj,
src = ERR_PTR(-ENODEV);
if (src_needs_clflush &&
i915_memcpy_from_wc((void *)(uintptr_t)batch_start_offset, 0, 0)) {
i915_memcpy_from_wc((void *)(uintptr_t)batch_start_offset, NULL, 0)) {
src = i915_gem_object_pin_map(src_obj, I915_MAP_WC);
if (!IS_ERR(src)) {
i915_memcpy_from_wc(dst,