linux-kernel - [PATCH v2 1/5] module: use list_for_each_entry_rcu() on find_module

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Message-Id: <20170526001630.19203-2-mcgrof@kernel.org>
Date:   Thu, 25 May 2017 17:16:26 -0700
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     akpm@...ux-foundation.org, jeyu@...hat.com, shuah@...nel.org,
        rusty@...tcorp.com.au, ebiederm@...ssion.com,
        dmitry.torokhov@...il.com, acme@...hat.com, corbet@....net
Cc:     martin.wilck@...e.com, mmarek@...e.com, pmladek@...e.com,
        hare@...e.com, rwright@....com, jeffm@...e.com, DSterba@...e.com,
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        torvalds@...ux-foundation.org, linux-kselftest@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Luis R. Rodriguez" <mcgrof@...nel.org>
Subject: [PATCH v2 1/5] module: use list_for_each_entry_rcu() on find_module_all()

The module list has been using RCU in a lot of other calls
for a while now, we just overlooked changing this one over to
use RCU.

Signed-off-by: Luis R. Rodriguez <mcgrof@...nel.org>
---
 kernel/module.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/module.c b/kernel/module.c
index 3803449ca219..2df38d45ca37 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -603,7 +603,7 @@ static struct module *find_module_all(const char *name, size_t len,
 
 	module_assert_mutex_or_preempt();
 
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (!even_unformed && mod->state == MODULE_STATE_UNFORMED)
 			continue;
 		if (strlen(mod->name) == len && !memcmp(mod->name, name, len))
-- 
2.11.0