HID: roccat: potential out of bounds in pyra_sysfs_write_settings()

[cascardo/linux.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1d9c9f3..b48c41b 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -235,7 +235,10 @@ struct super_block *freeze_bdev(struct block_device *bdev)
        sb = get_active_super(bdev);
        if (!sb)
                goto out;
-       error = freeze_super(sb);
+       if (sb->s_op->freeze_super)
+               error = sb->s_op->freeze_super(sb);
+       else
+               error = freeze_super(sb);
        if (error) {
                deactivate_super(sb);
                bdev->bd_fsfreeze_count--;
@@ -272,7 +275,10 @@ int thaw_bdev(struct block_device *bdev, struct super_block *sb)
        if (!sb)
                goto out;
 
-       error = thaw_super(sb);
+       if (sb->s_op->thaw_super)
+               error = sb->s_op->thaw_super(sb);
+       else
+               error = thaw_super(sb);
        if (error) {
                bdev->bd_fsfreeze_count++;
                mutex_unlock(&bdev->bd_fsfreeze_mutex);