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-rw-r--r--abs/extra-testing/cups/fix-infinite-usb-loop.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/abs/extra-testing/cups/fix-infinite-usb-loop.patch b/abs/extra-testing/cups/fix-infinite-usb-loop.patch
new file mode 100644
index 0000000..bad179e
--- /dev/null
+++ b/abs/extra-testing/cups/fix-infinite-usb-loop.patch
@@ -0,0 +1,35 @@
+diff -urNad cups-1.4.0~/backend/usb-libusb.c cups-1.4.0/backend/usb-libusb.c
+--- cups-1.4.0~/backend/usb-libusb.c 2009-08-08 00:24:14.000000000 +0200
++++ cups-1.4.0/backend/usb-libusb.c 2009-09-02 16:37:31.000000000 +0200
+@@ -158,7 +158,7 @@
+
+ while (poll(pfds, 2, -1) > 0)
+ {
+- if (pfds[0].revents & POLLIN)
++ if (pfds[0].revents & (POLLIN + POLLHUP))
+ {
+ if ((bytes = read(print_fd, buffer, sizeof(buffer))) > 0)
+ {
+@@ -179,7 +179,12 @@
+ }
+
+ if (pfds[1].revents & POLLIN)
+- tbytes += side_cb(printer, print_fd);
++ {
++ if ((bytes = side_cb(printer, print_fd)) < 0)
++ pfds[1].events = 0; /* Filter has gone away... */
++ else
++ tbytes += bytes;
++ }
+ }
+ }
+
+@@ -747,7 +752,7 @@
+ if (cupsSideChannelRead(&command, &status, data, &datalen, 1.0))
+ {
+ _cupsLangPuts(stderr, _("WARNING: Failed to read side-channel request!\n"));
+- return (0);
++ return (-1);
+ }
+
+ switch (command)