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Diffstat (limited to 'kernel/kmod.c')
-rw-r--r--kernel/kmod.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 743d3883517..6194ec2f737 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -134,8 +134,6 @@ static int ____call_usermodehelper(void *data)
struct subprocess_info *sub_info = data;
int retval;
- BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
-
/* Unblock all signals */
spin_lock_irq(&current->sighand->siglock);
flush_signal_handlers(current, 1);
@@ -143,10 +141,6 @@ static int ____call_usermodehelper(void *data)
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
- /* Install the credentials */
- commit_creds(sub_info->cred);
- sub_info->cred = NULL;
-
/* We can run anywhere, unlike our parent keventd(). */
set_cpus_allowed_ptr(current, cpu_all_mask);
@@ -174,8 +168,6 @@ void call_usermodehelper_freeinfo(struct subprocess_info *info)
{
if (info->cleanup)
(*info->cleanup)(info);
- if (info->cred)
- put_cred(info->cred);
kfree(info);
}
EXPORT_SYMBOL(call_usermodehelper_freeinfo);
@@ -231,8 +223,6 @@ static void __call_usermodehelper(struct work_struct *work)
pid_t pid;
enum umh_wait wait = sub_info->wait;
- BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
-
/* CLONE_VFORK: wait until the usermode helper has execve'd
* successfully We need the data structures to stay around
* until that is done. */
@@ -355,12 +345,6 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
sub_info->path = path;
sub_info->argv = argv;
sub_info->envp = envp;
- sub_info->cred = prepare_usermodehelper_creds();
- if (!sub_info->cred) {
- kfree(sub_info);
- return NULL;
- }
-
out:
return sub_info;
}
@@ -411,9 +395,6 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info,
DECLARE_COMPLETION_ONSTACK(done);
int retval = 0;
- BUG_ON(atomic_read(&sub_info->cred->usage) != 1);
- validate_creds(sub_info->cred);
-
helper_lock();
if (sub_info->path[0] == '\0')
goto out;