WARNING: line length of 81 exceeds 80 columns
#59: FILE: net/9p/trans_xen.c:302:
+						 1UL << (ring->intf->ring_order +

total: 0 errors, 1 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 dc183c96b83f ("9p/trans_xen: make cleanup idempotent after dataring alloc errors") 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, 77 lines checked