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135c6eb27a
Under the conditions that a device is to be reinitialized within
ufshcd_probe_hba(), the device must first be fully reset.
Resetting the device should include freeing U8 model (member of dev_info)
but does not, and this causes a memory leak. ufs_put_device_desc() is
responsible for freeing model.
unreferenced object 0xffff3f63008bee60 (size 32):
comm "kworker/u33:1", pid 60, jiffies 4294892642
hex dump (first 32 bytes):
54 48 47 4a 46 47 54 30 54 32 35 42 41 5a 5a 41 THGJFGT0T25BAZZA
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc ed7ff1a9):
[<ffffb86705f1243c>] kmemleak_alloc+0x34/0x40
[<ffffb8670511cee4>] __kmalloc_noprof+0x1e4/0x2fc
[<ffffb86705c247fc>] ufshcd_read_string_desc+0x94/0x190
[<ffffb86705c26854>] ufshcd_device_init+0x480/0xdf8
[<ffffb86705c27b68>] ufshcd_probe_hba+0x3c/0x404
[<ffffb86705c29264>] ufshcd_async_scan+0x40/0x370
[<ffffb86704f43e9c>] async_run_entry_fn+0x34/0xe0
[<ffffb86704f34638>] process_one_work+0x154/0x298
[<ffffb86704f34a74>] worker_thread+0x2f8/0x408
[<ffffb86704f3cfa4>] kthread+0x114/0x118
[<ffffb86704e955a0>] ret_from_fork+0x10/0x20
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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 reStructuredText 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.