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f5e8e21586
Currently the check for a failed bt_skb_alloc allocation is incorrectly
checking using IS_ERR and this can lead to a null pointer dereference. Fix
this by checking for a null pointer return using the !skb idiom.
Addresses-Coverity: ("Dereference null return")
Fixes: 1996d9cad6 ("Bluetooth: btrtl: Ask 8821C to drop old firmware")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.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.