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diff -up cups-1.5b1/backend/usb-unix.c.usb-paperout cups-1.5b1/backend/usb-unix.c
--- cups-1.5b1/backend/usb-unix.c.usb-paperout 2011-05-24 15:51:39.000000000 +0200
+++ cups-1.5b1/backend/usb-unix.c 2011-05-24 15:51:39.000000000 +0200
@@ -30,6 +30,11 @@
#include <sys/select.h>
+#ifdef __linux
+#include <sys/ioctl.h>
+#include <linux/lp.h>
+#endif /* __linux */
+
/*
* Local functions...
@@ -334,7 +339,19 @@ open_device(const char *uri, /* I - Dev
if (!strncmp(uri, "usb:/dev/", 9))
#ifdef __linux
{
- return (open(uri + 4, O_RDWR | O_EXCL));
+ fd = open(uri + 4, O_RDWR | O_EXCL);
+
+ if (fd != -1)
+ {
+ /*
+ * Tell the driver to return from write() with errno==ENOSPACE
+ * on paper-out.
+ */
+ unsigned int t = 1;
+ ioctl (fd, LPABORT, &t);
+ }
+
+ return fd;
}
else if (!strncmp(uri, "usb://", 6))
{
@@ -400,7 +417,14 @@ open_device(const char *uri, /* I - Dev
if (!strcmp(uri, device_uri))
{
/*
- * Yes, return this file descriptor...
+ * Yes, tell the driver to return from write() with
+ * errno==ENOSPACE on paper-out.
+ */
+ unsigned int t = 1;
+ ioctl (fd, LPABORT, &t);
+
+ /*
+ * Return this file descriptor...
*/
fprintf(stderr, "DEBUG: Printer using device file \"%s\"...\n",
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