1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index d58a359a6622..4285e75e52c3 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -413,13 +413,14 @@ static void reset_bdev(struct zram *zram)
 static ssize_t backing_dev_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
 {
+        struct file *file;
         struct zram *zram = dev_to_zram(dev);
-        struct file *file = zram->backing_dev;
         char *p;
         ssize_t ret;
 
         down_read(&zram->init_lock);
-        if (!zram->backing_dev) {
+        file = zram->backing_dev;
+        if (!file) {
                 memcpy(buf, "none\n", 5);
                 up_read(&zram->init_lock);
                 return 5;