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[src/trunk]: src/sys/dev/usb Fix hid_get_data() and hid_get_udata() for 32-bi...



details:   https://anonhg.NetBSD.org/src/rev/c8462416e1ab
branches:  trunk
changeset: 342639:c8462416e1ab
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Sat Jan 02 20:45:07 2016 +0000

description:
Fix hid_get_data() and hid_get_udata() for 32-bit quantities on LP64.

Previously it would always return 0.

diffstat:

 sys/dev/usb/hid.c |  10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diffs (39 lines):

diff -r 8c6d82e953b8 -r c8462416e1ab sys/dev/usb/hid.c
--- a/sys/dev/usb/hid.c Sat Jan 02 20:35:59 2016 +0000
+++ b/sys/dev/usb/hid.c Sat Jan 02 20:45:07 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: hid.c,v 1.36 2015/02/08 23:43:14 jmcneill Exp $        */
+/*     $NetBSD: hid.c,v 1.37 2016/01/02 20:45:07 jakllsch Exp $        */
 /*     $FreeBSD: src/sys/dev/usb/hid.c,v 1.11 1999/11/17 22:33:39 n_hibma Exp $ */
 
 /*
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hid.c,v 1.36 2015/02/08 23:43:14 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hid.c,v 1.37 2016/01/02 20:45:07 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -434,9 +434,9 @@
                return (0);
 
        data = hid_get_udata(buf, loc);
-       if (data < (1 << (hsize - 1)))
+       if (data < (1UL << (hsize - 1)))
                return (data);
-       return data - (1 << hsize);
+       return data - (1UL << hsize);
 }
 
 u_long
@@ -458,7 +458,7 @@
                data |= buf[off + i] << (i * 8);
 
        data >>= hpos % 8;
-       data &= (1 << hsize) - 1;
+       data &= (1UL << hsize) - 1;
 
        DPRINTFN(10,("hid_get_udata: loc %d/%d = %lu\n", hpos, hsize, data));
        return (data);



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