WARNING: line length of 83 exceeds 80 columns
#72: FILE: net/sched/sch_drr.c:386:
+			cl = list_first_entry(&q->active, struct drr_class, alist);

CHECK: Comparison to NULL could be written "skb"
#74: FILE: net/sched/sch_drr.c:388:
+			if (skb != NULL)

total: 0 errors, 1 warnings, 1 checks, 27 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 1e9ed9b62129 ("net/sched: make drr play nicely with non-work-conserving qdiscs") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 1 warnings, 1 checks, 27 lines checked