Merge "loop: fix concurrent lo_open/lo_release" (38bf161e) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/block/loop.c

+8 −2

Original line number	Diff line number	Diff line
		@@ -1512,9 +1512,8 @@ out:
		return err;
		}

		static void lo_release(struct gendisk *disk, fmode_t mode)
		static void __lo_release(struct loop_device *lo)
		{
		struct loop_device *lo = disk->private_data;
		int err;

		mutex_lock(&lo->lo_ctl_mutex);
		@@ -1542,6 +1541,13 @@ out:
		mutex_unlock(&lo->lo_ctl_mutex);
		}

		static void lo_release(struct gendisk *disk, fmode_t mode)
		{
		mutex_lock(&loop_index_mutex);
		__lo_release(disk->private_data);
		mutex_unlock(&loop_index_mutex);
		}

		static const struct block_device_operations lo_fops = {
		.owner = THIS_MODULE,
		.open = lo_open,