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[ Upstream commit5265db2ccc] Modify return type of hfcusb_ph_info to int, so that we can pass error value up the call stack when allocation of ph_info fails. Also change three of four call sites to actually account for the memory failure. The fourth, in ph_state_nt, is infeasible to change as it is in turn called by ph_state which is used as a function pointer argument to mISDN_initdchannel, which would necessitate changing its signature and updating all the places where it is used (too many). Fixes original flawed commit (38d2265980) from the University of Minnesota. Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Phillip Potter <phil@philpotter.co.uk> Link: https://lore.kernel.org/r/20210503115736.2104747-48-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@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.