CHECK: extern prototypes should be avoided in .h files
#24: FILE: include/linux/socket.h:471:
+extern int do_getsockname(struct socket *sock, int peer,

WARNING: line length of 88 exceeds 80 columns
#25: FILE: include/linux/socket.h:472:
+			  struct sockaddr __user *usockaddr, int __user *usockaddr_len);

WARNING: Missing a blank line after declarations
#80: FILE: net/socket.c:2157:
+	struct socket *sock;
+	CLASS(fd, f)(fd);

total: 0 errors, 2 warnings, 1 checks, 67 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 5dce740cc5e1 ("socket: Split out a getsockname helper for io_uring") 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, 2 warnings, 1 checks, 67 lines checked