ERROR: code indent should use tabs where possible
#61: FILE: net/sched/sch_dualpi2.c:888:
+                        q->memory_used -= skb->truesize;$

WARNING: please, no spaces at the start of a line
#61: FILE: net/sched/sch_dualpi2.c:888:
+                        q->memory_used -= skb->truesize;$

ERROR: code indent should use tabs where possible
#62: FILE: net/sched/sch_dualpi2.c:889:
+                        rtnl_qdisc_drop(skb, q->l_queue);$

WARNING: please, no spaces at the start of a line
#62: FILE: net/sched/sch_dualpi2.c:889:
+                        rtnl_qdisc_drop(skb, q->l_queue);$

WARNING: Block comments use * on subsequent lines
#65: FILE: net/sched/sch_dualpi2.c:892:
+			/* After incrementing the drop counter for the L-queue
+			   via rtnl_qdisc_drop(), update the parent qdisc

WARNING: Block comments use a trailing */ on a separate line
#66: FILE: net/sched/sch_dualpi2.c:893:
+			   drop counter via qdisc_qstats_drop(sch) */

total: 2 errors, 4 warnings, 0 checks, 36 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.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Commit df36256dc99e ("net/sched: sch_dualpi2: fix limit/memlimit enforcement when dequeueing L-queue") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.