==========
checkpatch - FAILED

ERROR: space prohibited before that close parenthesis ')'
#68: FILE: include/trace/events/skb.h:41:
+		  __print_sym(__entry->reason, drop_reason ))

WARNING: line length of 82 exceeds 80 columns
#108: FILE: net/core/skbuff.c:171:
+	for (subsys_id = 0; subsys_id < SKB_DROP_REASON_SUBSYS_NUM; subsys_id++) {

WARNING: line length of 83 exceeds 80 columns
#120: FILE: net/core/skbuff.c:183:
+				   (subsys_id << SKB_DROP_REASON_SUBSYS_SHIFT) | i,

total: 1 errors, 2 warnings, 0 checks, 91 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 102855af8b6a ("net: dropreason: use new __print_sym() in tracing") 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.