[PATCH v2 4/8] fs: move binfmt_misc sysctl to its own file

Luis Chamberlain
2021-11-24T23:15:37Z

This moves the binfmt_misc sysctl to its own file to help remove
clutter from kernel/sysctl.c.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
fs/binfmt_misc.c | 6 +++++-
kernel/sysctl.c | 7 -------
2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index e1eae7ea823a..ddea6acbddde 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -822,7 +822,11 @@ static int __init init_misc_binfmt(void)
int err = register_filesystem(&bm_fs_type);
if (!err)
insert_binfmt(&misc_format);
- return err;
+ if (!register_sysctl_mount_point("fs/binfmt_misc")) {
+ pr_warn("Failed to create fs/binfmt_misc sysctl mount point");
+ return -ENOMEM;
+ }
+ return 0;
}

static void __exit exit_misc_binfmt(void)
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 1682714605e6..7745c9b72bda 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -3126,13 +3126,6 @@ static struct ctl_table fs_table[] = {
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_TWO,
},
-#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE)
- {
- .procname = "binfmt_misc",
- .mode = 0555,
- .child = sysctl_mount_point,
- },
-#endif
{
.procname = "pipe-max-size",
.data = &pipe_max_size,
--
2.33.0