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Remove useless get_driver()/put_driver() calls

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As part of the removal of get_driver()/put_driver(), this patch
(as1512) gets rid of various useless and unnecessary calls in several
drivers.  In some cases it may be desirable to pin the driver by
calling try_module_get(), but that can be done later.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: "David S. Miller" <davem@davemloft.net>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Michael Buesch <m@bues.ch>
CC: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2012-01-24 13:35:24 -05:00 • committed by Greg Kroah-Hartman
parent 9f30ea950e
commit f3ff924708
4 changed files with 5 additions and 27 deletions
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3
lib/dma-debug.c
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@ -170,7 +170,7 @@ static bool driver_filter(struct device *dev)
return false;
/* driver filter on but not yet initialized */
drv = get_driver(dev->driver);
drv = dev->driver;
if (!drv)
return false;
@ -185,7 +185,6 @@ static bool driver_filter(struct device *dev)
}
read_unlock_irqrestore(&driver_name_lock, flags);
put_driver(drv);
return ret;
}