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6da2f2ccfd
Some of the power management ops use this style:
struct device_driver *drv = dev->driver;
if (drv && drv->pm && drv->pm->prepare(dev))
drv->pm->prepare(dev);
while others use this:
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
if (pm && pm->runtime_resume)
pm->runtime_resume(dev);
Convert the first style to the second so they're all consistent. Remove
local "error" variables when unnecessary. No functional change intended.
Link: https://lore.kernel.org/r/20191014230016.240912-6-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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.