From: penghao luo luo.penghao@zte.com.cn
The assignment of variables will be overwritten later, so the assignment here is meaningless.
The clang_analyzer complains as follows:
drivers/gpu/drm/i915/gem/i915_gem_userptr.c:291: warning:
Although the value stored to 'ret' is used in the enclosing expression, the value is never actually read from 'ret’.
Reported-by: Zeal Robot zealci@zte.com.cn Signed-off-by: penghao luo luo.penghao@zte.com.cn --- 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 8ea0fa6..f6f944d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -288,7 +288,7 @@ 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,