[PATCH] drm/i915/userptr: remove redundation assignment to variable ret

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Variable ret is assigned a value that is never read; it is either
being re-assigned during the following while-loop or after the loop.
The assignmnt is redundant and can be removed.

Cleans up clang scan build warning:
drivers/gpu/drm/i915/gem/i915_gem_userptr.c:295:11: warning: Although
the value stored to 'ret' is used in the enclosing expression, the
value is never actually read from 'ret' [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gem/i915_gem_userptr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index 8423df021b71..075aef875a07 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -292,7 +292,7 @@ int i915_gem_object_userptr_submit_init(struct drm_i915_gem_object *obj)
 	if (!i915_gem_object_is_readonly(obj))
 		gup_flags |= FOLL_WRITE;
 
-	pinned = ret = 0;
+	pinned = 0;
 	while (pinned < num_pages) {
 		ret = pin_user_pages_fast(obj->userptr.ptr + pinned * PAGE_SIZE,
 					  num_pages - pinned, gup_flags,
-- 
2.35.3




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