WARNING: line length of 84 exceeds 80 columns
#59: FILE: net/ipv4/ipconfig.c:748:
+			if (dhcp_client_identifier_len <= 312 - (e - options) - 3) {

WARNING: line length of 82 exceeds 80 columns
#115: FILE: net/ipv4/ipconfig.c:1725:
+							  dhcp_client_identifier);

WARNING: line length of 92 exceeds 80 columns
#129: FILE: net/ipv4/ipconfig.c:1738:
+			dhcp_client_identifier_len = strlen(dhcp_client_identifier + 1) + 1;

total: 0 errors, 3 warnings, 0 checks, 94 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 1d8cc85ea259 ("net: ipv4: ipconfig: Support RFC 4361/3315 DHCP client ID in hex format") 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, 3 warnings, 0 checks, 94 lines checked