WARNING: line length of 84 exceeds 80 columns
#53: FILE: lib/buildid.c:45:
+static const void *freader_fetch_sync(struct freader *r, loff_t file_off, size_t sz)

total: 0 errors, 1 warnings, 0 checks, 73 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 48b54b31477f ("lib/buildid: use __kernel_read() for sleepable context") 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, 1 warnings, 0 checks, 73 lines checked