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e2853c4947
put_device() decreases the ref-count and then the device will be
cleaned-up, while at is also add missing put_device in
rtrs_srv_create_once_sysfs_root_folders
This patch solves a kmemleak error as below:
unreferenced object 0xffff88809a7a0710 (size 8):
comm "kworker/4:1H", pid 113, jiffies 4295833049 (age 6212.380s)
hex dump (first 8 bytes):
62 6c 61 00 6b 6b 6b a5 bla.kkk.
backtrace:
[<0000000054413611>] kstrdup+0x2e/0x60
[<0000000078e3120a>] kobject_set_name_vargs+0x2f/0xb0
[<00000000f1a17a6b>] dev_set_name+0xab/0xe0
[<00000000d5502e32>] rtrs_srv_create_sess_files+0x2fb/0x314 [rtrs_server]
[<00000000ed11a1ef>] rtrs_srv_info_req_done+0x631/0x800 [rtrs_server]
[<000000008fc5aa8f>] __ib_process_cq+0x94/0x100 [ib_core]
[<00000000a9599cb4>] ib_cq_poll_work+0x32/0xc0 [ib_core]
[<00000000cfc376be>] process_one_work+0x4bc/0x980
[<0000000016e5c96a>] worker_thread+0x78/0x5c0
[<00000000c20b8be0>] kthread+0x191/0x1e0
[<000000006c9c0003>] ret_from_fork+0x3a/0x50
Fixes: baa5b28b7a ("RDMA/rtrs-srv: Replace device_register with device_initialize and device_add")
Link: https://lore.kernel.org/r/20210212134525.103456-5-jinpu.wang@cloud.ionos.com
Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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.