WARNING: Do not use trace_printk() in production code (this can be ignored if built only with a debug config option)
#34: FILE: include/linux/sunrpc/debug.h:34:
+#  define __sunrpc_printk(fmt, ...)	trace_printk(fmt, ##__VA_ARGS__)

WARNING: Prefer [subsystem eg: netdev]_default([subsystem]dev, ... then dev_default(dev, ... then pr_default(...  to printk(KERN_DEFAULT ...
#36: FILE: include/linux/sunrpc/debug.h:36:
+#  define __sunrpc_printk(fmt, ...)	printk(KERN_DEFAULT fmt, ##__VA_ARGS__)

total: 0 errors, 2 warnings, 0 checks, 45 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 497fed052dff ("sunrpc: add a Kconfig option to redirect dfprintk() output to trace buffer") 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, 2 warnings, 0 checks, 45 lines checked