WARNING: line length of 97 exceeds 80 columns
#59: FILE: net/ipv4/devinet.c:1597:
+		} else if (event == NETDEV_CHANGEMTU && dev->reg_state != NETREG_UNREGISTERING) {

total: 0 errors, 1 warnings, 0 checks, 8 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 7dd9d72f545d ("ipv4: don't call inetdev_init() if device is no longer registered") 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, 8 lines checked