WARNING: printk() should include KERN_<LEVEL> facility level
#181: FILE: net/core/secure_seq.c:112:
+	printk("secure_seq: tcpv6 isn: %u", hash);

WARNING: line length of 82 exceeds 80 columns
#200: FILE: net/core/secure_seq.c:164:
+				    (__force u32)sport << 16 | (__force u32)dport,

WARNING: printk() should include KERN_<LEVEL> facility level
#206: FILE: net/core/secure_seq.c:170:
+	printk("secure_seq: tcp isn: %u", hash);

total: 0 errors, 3 warnings, 0 checks, 102 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 641249ef47c2 ("net: add option for using randomized TCP ISNs") 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, 102 lines checked