WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#20: 
new file mode 100644

WARNING: Argument 'R' is not used in function-like macro
#35: FILE: drivers/net/vxlan/drop.h:11:
+#define VXLAN_DROP_REASONS(R)			\
+	/* deliberate comment for trailing \ */

ERROR: space prohibited before open square bracket '['
#59: FILE: drivers/net/vxlan/vxlan_core.c:4837:
+#define S(x)	[(x) & ~SKB_DROP_REASON_SUBSYS_MASK] = (#x),

WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong <menglong8.dong@gmail.com>' != 'Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>'

total: 1 errors, 3 warnings, 0 checks, 77 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 ad64d71dc0ef ("net: vxlan: add vxlan to the drop reason subsystem") 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.