ipack: print a hex number after a 0x prefix

It makes the result hard to interpret correctly if a base 10 number is
prefixed by 0x.  So change to a hex number.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>
Cc: Samuel Iglesias Gonsalvez <[email protected]>
Cc: Jens Taprogge <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

drivers/ipack/ipack.c

@@ -178,7 +178,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 		       idev->id_vendor, idev->id_device);
 }
 
-ipack_device_attr(id_format, "0x%hhu\n");
+ipack_device_attr(id_format, "0x%hhx\n");
 
 static DEVICE_ATTR_RO(id);
 static DEVICE_ATTR_RO(id_device);