CHECK: Unnecessary parentheses around function pointer (sk->sk_write_space) #42: FILE: net/core/sock.c:2693: + READ_ONCE(sk->sk_write_space)(sk); total: 0 errors, 0 warnings, 1 checks, 16 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 002547184272 ("sockmap: Annotate sk->sk_write_space() for UDP.") 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, 0 warnings, 1 checks, 16 lines checked