WARNING: line length of 92 exceeds 80 columns
#92: FILE: net/core/drop_monitor.c:68:
+static void init_dm_entry(struct sk_buff *skb, void *location, enum skb_drop_reason reason);

WARNING: line length of 91 exceeds 80 columns
#118: FILE: net/core/drop_monitor.c:1754:
+static void init_dm_entry(struct sk_buff *skb, void *location, enum skb_drop_reason reason)

WARNING: line length of 83 exceeds 80 columns
#139: FILE: net/core/drop_monitor.c:1775:
+	entry->stack_len = stack_trace_save(entry->stack, ARRAY_SIZE(entry->stack),

WARNING: line length of 87 exceeds 80 columns
#195: FILE: net/core/drop_monitor.c:1831:
+		seq_printf(seq, "drop count: %zu\n", list_count_nodes(&dm_entry_list));

WARNING: line length of 98 exceeds 80 columns
#201: FILE: net/core/drop_monitor.c:1837:
+	seq_printf(seq, "reason   : %s (%d)\n", dm_show_reason_str(entry->reason), entry->reason);

WARNING: line length of 81 exceeds 80 columns
#275: FILE: net/core/drop_monitor.c:1911:
+	debugfs_create_u32("trace_limit", 0644, dm_debugfs_dir, &dm_trace_limit);

WARNING: line length of 83 exceeds 80 columns
#276: FILE: net/core/drop_monitor.c:1912:
+	debugfs_create_file("trace", 0644, dm_debugfs_dir, NULL, &dm_debugfs_fops);

total: 0 errors, 7 warnings, 0 checks, 238 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 8b9099117a4f ("net: drop_monitor: Add debugfs support") 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.
total: 0 errors, 7 warnings, 0 checks, 238 lines checked