The device is got by isert_device_get() with refcount is 1, and is assigned to isert_conn by isert_conn->device = device. When isert_create_qp() failed, device will be freed with isert_device_put(). Later, the device is used in isert_free_login_buf(isert_conn) by the isert_conn->device->ib_device statement. Free the device in the correct order. Fixes: ae9ea9ed38c9 ("iser-target: Split some logic in isert_connect_request to routines") Link: https://lore.kernel.org/r/20210322161325.7491-1-lyl2019@mail.ustc.edu.cn Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn> Acked-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Merge branch 'kmap-conversion-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
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.
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