call usb_reset() prior to usb_close() to workaround hanging USB hardware

(#149027, #186766)

sane-backends-1.0.18-usb_reset.patch

@@ -0,0 +1,12 @@
+--- sane-backends-1.0.18/sanei/sanei_usb.c.usb_reset	2006-05-26 21:38:46.000000000 +0200
++++ sane-backends-1.0.18/sanei/sanei_usb.c	2007-06-15 15:16:50.000000000 +0200
+@@ -1255,6 +1255,9 @@ sanei_usb_close (SANE_Int dn)
+       usb_resetep (devices[dn].libusb_handle, devices[dn].bulk_out_ep);
+       usb_resetep (devices[dn].libusb_handle, devices[dn].iso_in_ep);
+ #endif
++      /* Hack to work around hanging USB hardware */
++      usb_reset (devices[dn].libusb_handle);
++
+       usb_release_interface (devices[dn].libusb_handle,
+ 			     devices[dn].interface_nr);
+       usb_close (devices[dn].libusb_handle);

sane-backends.spec

@@ -18,7 +18,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.18
-Release: 6%{?dist}
+Release: 7%{?dist}
 License: GPL (programs), relaxed LGPL (libraries), and public domain (docs)
 Group: System Environment/Libraries
 Source0: ftp://ftp.sane-project.org/pub/sane/%{name}-%{version}/%{name}-%{version}.tar.gz
@@ -28,6 +28,7 @@ Patch2: sane-backends-1.0.12-badcode.patch
 Patch3: sane-backends-multilib.patch
 Patch4: sane-backends-1.0.17-pkgconfig.patch
 Patch5: sane-backends-1.0.18-logical_vs_binary.patch
+Patch6: sane-backends-1.0.18-usb_reset.patch
 URL: http://www.sane-project.org
 BuildRoot: %{_tmppath}/%{name}-%{version}-root-%(%__id_u -n)
 BuildRequires: tetex-latex libusb-devel libieee1284-devel libjpeg-devel
@@ -108,6 +109,7 @@ want to access digital cameras.
 %patch3 -p1 -b .multilib
 %patch4 -p1 -b .pkgconfig
 %patch5 -p1 -b .logical_vs_binary
+%patch6 -p1 -b .usb_reset
 
 # Fix bug #62847.
 perl -pi -e 's,/dev/usbscanner0?,/dev/usb/scanner0,' backend/*.conf
@@ -230,6 +232,10 @@ rm -rf %{buildroot}
 %{_libdir}/pkgconfig/sane-backends.pc
 
 %changelog
+* Fri Jun 15 2007 Nils Philippsen <nphilipp@redhat.com> - 1.0.18-7
+- call usb_reset() prior to usb_close() to workaround hanging USB hardware
+  (#149027, #186766)
+
 * Tue Apr 24 2007 Nils Philippsen <nphilipp@redhat.com> - 1.0.18-6
 - don't erroneously use logical "&&" instead of binary "&" at some places in
   the canon driver