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auxdisplay: ks0108: initialize local parport variable 

The local variable ks0108_parport is used by other functions to write to
the parallel port. We missed initializing it when we converted the
driver to use new Parallel Port codes.

Fixes: 4edd70c133 ("auxdisplay: ks0108: use new parport device model")
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee 2015-08-13 19:06:05 +05:30 committed by Greg Kroah-Hartman
parent 5d44f4b348
commit 92f26189b1
1 changed files with 2 additions and 0 deletions
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2
drivers/auxdisplay/ks0108.c
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@ -146,6 +146,7 @@ static void ks0108_parport_attach(struct parport *port)
goto err_unreg_device;
}
ks0108_parport = port;
ks0108_inited = 1;
return;
@ -167,6 +168,7 @@ static void ks0108_parport_detach(struct parport *port)
parport_release(ks0108_pardevice);
parport_unregister_device(ks0108_pardevice);
ks0108_pardevice = NULL;
ks0108_parport = NULL;
}
/*