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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /fs/proc/proc_sysctl.c
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/proc/proc_sysctl.c')
-rw-r--r--fs/proc/proc_sysctl.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 37cde0efee..dd7b462387 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -30,9 +30,7 @@ static const struct file_operations proc_sys_dir_file_operations;
static const struct inode_operations proc_sys_dir_operations;
/* Support for permanently empty directories */
-static struct ctl_table sysctl_mount_point[] = {
- {.type = SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY }
-};
+static struct ctl_table sysctl_mount_point[] = { };
/**
* register_sysctl_mount_point() - registers a sysctl mount point
@@ -48,14 +46,12 @@ struct ctl_table_header *register_sysctl_mount_point(const char *path)
}
EXPORT_SYMBOL(register_sysctl_mount_point);
-#define sysctl_is_perm_empty_ctl_table(tptr) \
- (tptr[0].type == SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
#define sysctl_is_perm_empty_ctl_header(hptr) \
- (sysctl_is_perm_empty_ctl_table(hptr->ctl_table))
+ (hptr->type == SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
#define sysctl_set_perm_empty_ctl_header(hptr) \
- (hptr->ctl_table[0].type = SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
+ (hptr->type = SYSCTL_TABLE_TYPE_PERMANENTLY_EMPTY)
#define sysctl_clear_perm_empty_ctl_header(hptr) \
- (hptr->ctl_table[0].type = SYSCTL_TABLE_TYPE_DEFAULT)
+ (hptr->type = SYSCTL_TABLE_TYPE_DEFAULT)
void proc_sys_poll_notify(struct ctl_table_poll *poll)
{
@@ -210,6 +206,8 @@ static void init_header(struct ctl_table_header *head,
node++;
}
}
+ if (table == sysctl_mount_point)
+ sysctl_set_perm_empty_ctl_header(head);
}
static void erase_header(struct ctl_table_header *head)
@@ -232,8 +230,7 @@ static int insert_header(struct ctl_dir *dir, struct ctl_table_header *header)
return -EROFS;
/* Am I creating a permanently empty directory? */
- if (header->ctl_table_size > 0 &&
- sysctl_is_perm_empty_ctl_table(header->ctl_table)) {
+ if (sysctl_is_perm_empty_ctl_header(header)) {
if (!RB_EMPTY_ROOT(&dir->root))
return -EINVAL;
sysctl_set_perm_empty_ctl_header(dir_h);
@@ -479,12 +476,10 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
make_empty_dir_inode(inode);
}
+ inode->i_uid = GLOBAL_ROOT_UID;
+ inode->i_gid = GLOBAL_ROOT_GID;
if (root->set_ownership)
- root->set_ownership(head, table, &inode->i_uid, &inode->i_gid);
- else {
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
- }
+ root->set_ownership(head, &inode->i_uid, &inode->i_gid);
return inode;
}
@@ -1204,7 +1199,7 @@ static bool get_links(struct ctl_dir *dir,
struct ctl_table *entry, *link;
if (header->ctl_table_size == 0 ||
- sysctl_is_perm_empty_ctl_table(header->ctl_table))
+ sysctl_is_perm_empty_ctl_header(header))
return true;
/* Are there links available for every entry in table? */