WARNING: line length of 81 exceeds 80 columns
#63: FILE: fs/proc/proc_sysctl.c:95:
+static struct ctl_dir *xlate_dir(struct ctl_table_set *set, struct ctl_dir *dir);

WARNING: line length of 96 exceeds 80 columns
#83: FILE: fs/proc/proc_sysctl.c:381:
+	struct ctl_node *node;		/* the entry's node in the directory, NULL for a link */

WARNING: line length of 82 exceeds 80 columns
#321: FILE: fs/proc/proc_sysctl.c:842:
+			inode = proc_sys_make_inode(dir->d_sb, d->head, d->table);

WARNING: line length of 81 exceeds 80 columns
#456: FILE: fs/proc/proc_sysctl.c:909:
+			if (!err && !dir_emit(ctx, d.name, d.len, d.ino, d.type))

CHECK: From:/Signed-off-by: email comments mismatch: 'From: Christian Brauner <brauner@kernel.org>' != 'Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>'

total: 0 errors, 4 warnings, 1 checks, 408 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 add351a1ccdc ("proc: sysctl: don't hold the tables while readdir copies to userspace") 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, 4 warnings, 1 checks, 408 lines checked