CHECK: extern prototypes should be avoided in .h files
#37: FILE: include/linux/netfilter/nf_conntrack_amanda.h:10:
+extern unsigned int (__rcu *nf_nat_amanda_hook)(struct sk_buff *skb,

WARNING: line length of 81 exceeds 80 columns
#42: FILE: include/linux/netfilter/nf_conntrack_amanda.h:15:
+						struct nf_conntrack_expect *exp);

total: 0 errors, 1 warnings, 1 checks, 49 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 855ca789f661 ("netfilter: amanda: fix RCU pointer typing for nf_nat_amanda_hook") 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, 1 checks, 49 lines checked