From: Joel Granados <j.granados@xxxxxxxxxxx>
Add a pr_err warning in case a ctl_table is registered with a sentinel
element containing a NULL procname.
Signed-off-by: Joel Granados <j.granados@xxxxxxxxxxx>
---
fs/proc/proc_sysctl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 806700b70dea..f65098de5fcb 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1119,6 +1119,8 @@ static int sysctl_check_table(const char *path, struct ctl_table_header *header)
struct ctl_table *entry;
int err = 0;
list_for_each_table_entry(entry, header) {
+ if (!entry->procname)
+ err |= sysctl_err(path, entry, "procname is null");
if ((entry->proc_handler == proc_dostring) ||
(entry->proc_handler == proc_dobool) ||
(entry->proc_handler == proc_dointvec) ||
--
2.43.0
