The module_wq wait queue has only non-exclusive waiters and all waits are interruptible, therefore for consistency use wake_up_interruptible() to wake its waiters. Suggested-by: Petr Mladek <pmladek@xxxxxxxx> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx> Signed-off-by: Petr Pavlu <petr.pavlu@xxxxxxxx> --- kernel/module/main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/module/main.c b/kernel/module/main.c index d02d39c7174e..a12e177ea81f 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -764,7 +764,7 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, free_module(mod); /* someone could wait for the module in add_unformed_module() */ - wake_up_all(&module_wq); + wake_up_interruptible(&module_wq); return 0; out: mutex_unlock(&module_mutex); @@ -2522,7 +2522,7 @@ static noinline int do_init_module(struct module *mod) schedule_work(&init_free_wq); mutex_unlock(&module_mutex); - wake_up_all(&module_wq); + wake_up_interruptible(&module_wq); return 0; @@ -2538,7 +2538,7 @@ static noinline int do_init_module(struct module *mod) klp_module_going(mod); ftrace_release_mod(mod); free_module(mod); - wake_up_all(&module_wq); + wake_up_interruptible(&module_wq); return ret; } @@ -2879,7 +2879,7 @@ static int load_module(struct load_info *info, const char __user *uargs, /* Unlink carefully: kallsyms could be walking list. */ list_del_rcu(&mod->list); mod_tree_remove(mod); - wake_up_all(&module_wq); + wake_up_interruptible(&module_wq); /* Wait for RCU-sched synchronizing before releasing mod->list. */ synchronize_rcu(); mutex_unlock(&module_mutex); -- 2.35.3
