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3820c4fdc2
Trying to stop a queue which hasn't been allocated will result in a warning due to calling mutex_lock() against an uninitialized mutex. DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 4 PID: 104150 at kernel/locking/mutex.c:579 Call trace: RIP: 0010:__mutex_lock+0x1173/0x14a0 nvme_rdma_stop_queue+0x1b/0xa0 [nvme_rdma] nvme_rdma_teardown_io_queues.part.0+0xb0/0x1d0 [nvme_rdma] nvme_rdma_delete_ctrl+0x50/0x100 [nvme_rdma] nvme_do_delete_ctrl+0x149/0x158 [nvme_core] Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Tested-by: Yi Zhang <yi.zhang@redhat.com> Signed-off-by: Keith Busch <kbusch@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.