tree 40f638e64883cb5224c1c2c0a6a3c34579c9f737
parent ad80492df56b4bd2d4da9990678d87b66af42f54
author Kirill A. Shutemov <kirill.shutemov@linux.intel.com> 1419858019 +0200
committer Eric Van Hensbergen <ericvh@gmail.com> 1426862081 -0700

9p: do not crash on unknown lock status code

Current 9p implementation will crash whole system if sees unknown lock
status code. It's trivial target for DOS: 9p server can produce such
code easily.

Let's fallback more gracefully: warning in dmesg + -ENOLCK.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>