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path: root/drivers/video/logo/logo.c
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Diffstat (limited to 'drivers/video/logo/logo.c')
-rw-r--r--drivers/video/logo/logo.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/video/logo/logo.c b/drivers/video/logo/logo.c
index 940cd196eef..10fbfd8ab96 100644
--- a/drivers/video/logo/logo.c
+++ b/drivers/video/logo/logo.c
@@ -21,6 +21,21 @@ static bool nologo;
module_param(nologo, bool, 0);
MODULE_PARM_DESC(nologo, "Disables startup logo");
+/*
+ * Logos are located in the initdata, and will be freed in kernel_init.
+ * Use late_init to mark the logos as freed to prevent any further use.
+ */
+
+static bool logos_freed;
+
+static int __init fb_logo_late_init(void)
+{
+ logos_freed = true;
+ return 0;
+}
+
+late_initcall(fb_logo_late_init);
+
/* logo's are marked __initdata. Use __init_refok to tell
* modpost that it is intended that this function uses data
* marked __initdata.
@@ -29,7 +44,7 @@ const struct linux_logo * __init_refok fb_find_logo(int depth)
{
const struct linux_logo *logo = NULL;
- if (nologo)
+ if (nologo || logos_freed)
return NULL;
if (depth >= 1) {