commit 5948ae27fb4f0e87ce8543ca1934599b83929a3e
author Jens Taprogge <jens.taprogge@taprogge.org> Fri Sep 07 10:29:19 2012 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Fri Sep 07 08:27:34 2012 -0700
tree d7d8e33ddc830a1b969f87d9064550024b1dd957
parent 7953e44cefe1359032d1148de69b966bcd2e5233

staging/ipack: Fix bug introduced by IPack device matching

~0 can not be casted to u8.  Instead of using the IPACK_ANY_ID for the format
field we introduce a new IPACK_ANY_FORMAT specifically for that field and
defined as 0xff.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/mod_devicetable.h

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 999c4c2..70c6a35 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -600,6 +600,7 @@
 #define X86_MODEL_ANY  0
 #define X86_FEATURE_ANY 0	/* Same as FPU, you can't test for that */
 
+#define IPACK_ANY_FORMAT 0xff
 #define IPACK_ANY_ID (~0)
 struct ipack_device_id {
 	__u8  format;			/* Format version or IPACK_ANY_ID */