btrfs: fix possible memory leak in btrfs_get_dev_args_from_path()

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix possible memory leak in btrfs_get_dev_args_from_path() In btrfs_get_dev_args_from_path(), btrfs_get_bdev_and_sb() can fail if the path is invalid. In this case, btrfs_get_dev_args_from_path() returns directly without freeing args->uuid and args->fsid allocated before, which causes memory leak. To fix these possible leaks, when btrfs_get_bdev_and_sb() fails, btrfs_put_dev_args_from_path() is called to clean up the memory.

References

• https://git.kernel.org/stable/c/5f52402c77013e4a826394b807dd5ea4dc83bd72
• https://git.kernel.org/stable/c/4b124ad87244cd7f0883c5eaa38d2326b2154cad
• https://git.kernel.org/stable/c/9ea0106a7a3d8116860712e3f17cd52ce99f6707