WARNING: Possible repeated word: 'do'
#14: 
There is no reason for this to overflow if we rewrite it do do

WARNING: line length of 83 exceeds 80 columns
#176: FILE: net/ipv4/esp4.c:1109:
+		memcpy(p, x->aalg->alg_key, xfrm_kblen2klen(x->aalg->alg_key_len));

WARNING: line length of 83 exceeds 80 columns
#236: FILE: net/ipv6/esp6.c:1146:
+		memcpy(p, x->aalg->alg_key, xfrm_kblen2klen(x->aalg->alg_key_len));

WARNING: line length of 92 exceeds 80 columns
#262: FILE: net/key/af_key.c:806:
+			auth_key_size = PFKEY_ALIGN8(xfrm_kblen2klen(x->aalg->alg_key_len));

WARNING: line length of 95 exceeds 80 columns
#268: FILE: net/key/af_key.c:810:
+			encrypt_key_size = PFKEY_ALIGN8(xfrm_kblen2klen(x->ealg->alg_key_len));

total: 0 errors, 5 warnings, 0 checks, 307 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 7cc89c545c48 ("xfrm: Rewrite key length conversion to avoid overflows") 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, 5 warnings, 0 checks, 307 lines checked