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path: root/drivers/mtd/devices/phram.c
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Diffstat (limited to 'drivers/mtd/devices/phram.c')
-rw-r--r--drivers/mtd/devices/phram.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index f756c60a4931..fd9ec165e61a 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -30,6 +30,7 @@
#include <linux/platform_device.h>
#include <linux/of_address.h>
#include <linux/of.h>
+#include <linux/security.h>
struct phram_mtd_list {
struct mtd_info mtd;
@@ -410,19 +411,23 @@ static int __init init_phram(void)
{
int ret;
+ ret = security_locked_down(LOCKDOWN_DEV_MEM);
+ if (ret)
+ return ret;
+
ret = platform_driver_register(&phram_driver);
if (ret)
return ret;
#ifndef MODULE
- if (phram_paramline[0])
+ if (phram_paramline[0]) {
ret = phram_setup(phram_paramline);
+ if (ret)
+ platform_driver_unregister(&phram_driver);
+ }
phram_init_called = 1;
#endif
- if (ret)
- platform_driver_unregister(&phram_driver);
-
return ret;
}