[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Replace shmem memory region and object backend

[Patchwork]

== Series Details ==

Series: Replace shmem memory region and object backend
URL   : https://patchwork.freedesktop.org/series/104105/
State : warning

== Summary ==

Error: dim checkpatch failed
a310d6e73af3 drm/i915: Replace shmem memory region and object backend with TTM
-:41: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "obj->base.import_attach"
#41: FILE: drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c:101:
+	GEM_BUG_ON(obj->base.import_attach != NULL);

-:67: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "obj->base.import_attach"
#67: FILE: drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c:231:
+	GEM_BUG_ON(obj->base.import_attach != NULL);

-:98: CHECK:BRACES: Unbalanced braces around else statement
#98: FILE: drivers/gpu/drm/i915/gem/i915_gem_mman.c:90:
+	else {

-:201: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "obj->base.import_attach"
#201: FILE: drivers/gpu/drm/i915/gem/i915_gem_phys.c:33:
+	GEM_BUG_ON(obj->base.import_attach != NULL);

-:217: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "!filp"
#217: FILE: drivers/gpu/drm/i915/gem/i915_gem_phys.c:115:
+		if (GEM_WARN_ON(filp == NULL))

-:650: CHECK:COMPARISON_TO_NULL: Comparison to NULL could be written "!file"
#650: FILE: drivers/gpu/drm/i915/gem/i915_gem_shmem.c:316:
+	GEM_WARN_ON(file == NULL);

-:781: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'caching != ttm_write_combined'
#781: FILE: drivers/gpu/drm/i915/gem/i915_gem_ttm.c:333:
+	if (i915_gem_object_is_shrinkable(obj) && (caching != ttm_write_combined)) {

-:832: CHECK:BRACES: braces {} should be used on all arms of this statement
#832: FILE: drivers/gpu/drm/i915/gem/i915_gem_ttm.c:912:
+	if (likely(i915_gem_object_has_struct_page(obj))) {
[...]
+	} else
[...]

-:842: CHECK:BRACES: Unbalanced braces around else statement
#842: FILE: drivers/gpu/drm/i915/gem/i915_gem_ttm.c:922:
+	} else

total: 0 errors, 0 warnings, 9 checks, 1116 lines checked