[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Silence build error with UBSAN (rev2)

[Patchwork]

== Series Details ==

Series: drm/i915: Silence build error with UBSAN (rev2)
URL   : https://patchwork.freedesktop.org/series/51025/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
8d9d30d99fd4 drm/i915: Silence build error with UBSAN
-:10: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#10: 
> drivers/gpu/drm/i915/intel_engine_cs.o: In function `intel_engine_init_execlist':

-:44: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'n' - possible side-effects?
#44: FILE: drivers/gpu/drm/i915/intel_engine_cs.c:464:
+#define IS_POWER_OF_2(n) ((n) != 0 && ((n) & ((n) - 1)) == 0)

-:55: ERROR:MISSING_SIGN_OFF: Missing Signed-off-by: line(s)

total: 1 errors, 1 warnings, 1 checks, 15 lines checked