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authorDave Airlie <airlied@redhat.com>2015-08-17 14:13:53 +1000
committerDave Airlie <airlied@redhat.com>2015-08-17 14:13:53 +1000
commit4eebf60b7452fbd551fd7dece855ba7825a49cbc (patch)
tree490b4d194ba09c90e10201ab7fc084a0bda0ed27 /kernel/module.c
parent8f9cb50789e76f3e224e8861adf650e55c747af4 (diff)
parent2c6625cd545bdd66acff14f3394865d43920a5c7 (diff)
Merge tag 'v4.2-rc7' into drm-next
Linux 4.2-rc7 Backmerge master for i915 fixes
Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c
index 4d2b82e610e2..b86b7bf1be38 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -602,13 +602,16 @@ const struct kernel_symbol *find_symbol(const char *name,
}
EXPORT_SYMBOL_GPL(find_symbol);
-/* Search for module by name: must hold module_mutex. */
+/*
+ * Search for module by name: must hold module_mutex (or preempt disabled
+ * for read-only access).
+ */
static struct module *find_module_all(const char *name, size_t len,
bool even_unformed)
{
struct module *mod;
- module_assert_mutex();
+ module_assert_mutex_or_preempt();
list_for_each_entry(mod, &modules, list) {
if (!even_unformed && mod->state == MODULE_STATE_UNFORMED)
@@ -621,6 +624,7 @@ static struct module *find_module_all(const char *name, size_t len,
struct module *find_module(const char *name)
{
+ module_assert_mutex();
return find_module_all(name, strlen(name), false);
}
EXPORT_SYMBOL_GPL(find_module);