Remove useless get_driver()/put_driver() calls
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>
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index fea790a..13ef233 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -170,7 +170,7 @@
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 @@
}
read_unlock_irqrestore(&driver_name_lock, flags);
- put_driver(drv);
return ret;
}