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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-08-13 16:36:05 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-15 03:27:17 +0300
commit92f26189b181a65fcb1ff6220a4bf45d44502e4a (patch)
tree4d0d2de89b84b6a20166d757f1187b510b0724e8 /drivers/auxdisplay/ks0108.c
parent5d44f4b3484e85c8d4527ecaca5e536da774ae21 (diff)
downloadlinux-92f26189b181a65fcb1ff6220a4bf45d44502e4a.tar.xz
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: 4edd70c133f3 ("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>
Diffstat (limited to 'drivers/auxdisplay/ks0108.c')
-rw-r--r--drivers/auxdisplay/ks0108.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/auxdisplay/ks0108.c b/drivers/auxdisplay/ks0108.c
index 4c471bd8c2f7..816de9eaac26 100644
--- a/drivers/auxdisplay/ks0108.c
+++ b/drivers/auxdisplay/ks0108.c
@@ -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;
}
/*