Alaa Emad 193c790ecc media: dvb: Add check on sp8870_readreg return
[ Upstream commit c6d822c56e7fd29e6fa1b1bb91b98f6a1e942b3c ]

The function sp8870_readreg returns a negative value when i2c_transfer
fails so properly check for this and return the error if it happens.

Cc: Sean Young <sean@mess.org>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Alaa Emad <alaaemadhossney.ae@gmail.com>
Link: https://lore.kernel.org/r/20210503115736.2104747-60-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-06-03 08:59:10 +02:00
2021-05-26 12:05:14 +02:00
2021-05-19 10:08:29 +02:00
2019-09-22 10:34:46 -07:00
2019-11-10 13:41:59 -08:00
2021-05-28 13:10:27 +02:00

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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