Joe Perches 07c6621a37 hwmon: (sht4x) Fix sht4x_read_values return value
Kernel doc for sht4x_read_values() shows 0 on success, 1 on failure but
the return value on success is actually always positive as it is set to
SHT4X_RESPONSE_LENGTH by a successful call to i2c_master_recv().

Miscellanea:

o Update the kernel doc for sht4x_read_values to 0 for success or -ERRNO
o Remove incorrectly used kernel doc /** header for other _read functions
o Typo fix succesfull->successful
o Reverse a test to unindent a block and use goto unlock
o Declare cmd[SHT4X_CMD_LEN] rather than cmd[]

At least for gcc 10.2, object size is reduced a tiny bit.

$ size drivers/hwmon/sht4x.o*
   text	   data	    bss	    dec	    hex	filename
   1752	    404	    256	   2412	    96c	drivers/hwmon/sht4x.o.new
   1825	    404	    256	   2485	    9b5	drivers/hwmon/sht4x.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/60eedce497137eb34448c0c77e01ec9d9c972ad7.camel@perches.com
Reviewed by: Navin Sankar Velliangiri <navin@linumiz.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-06-17 04:21:45 -07:00
2021-06-05 08:58:12 -07:00
2021-06-13 14:43:10 -07:00

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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