Patch from Sam Varshavchik to deal with libusb 64 read issue, for ImageClass MFPs.

ChangeLog

@@ -1,3 +1,8 @@
+2008-06-25  Nicolas Martin <nicols-guest at users.alioth.debian.org>
+	* backend/pixma_imageclass.c:
+	Patch from Sam Varshavchik to deal with libusb 64 read issue, 
+	for ImageClass MFPs.
+
 2008-06-24  m. allan noah <kitno455 a t gmail d o t com>
 	* backend/fujitsu.[ch], backend/fujitsu-scsi.h,
 	  doc/descriptions/fujitsu.desc, doc/sane-fujitsu.man:

backend/pixma_imageclass.c

@@ -255,7 +255,7 @@ read_image_block (pixma_t * s, uint8_t * data, unsigned size)
       if (size >= MAX_CHUNK_SIZE)
 	chunksize = MAX_CHUNK_SIZE;
       else if (size < MIN_CHUNK_SIZE)
-	chunksize = MIN_CHUNK_SIZE;
+	chunksize = size;
       else
 	chunksize = size - (size % MIN_CHUNK_SIZE);
       error = pixma_read (s->io, data, chunksize);

backend/pixma_io_sanei.c

@@ -235,7 +235,7 @@ map_error (SANE_Status ss)
     case SANE_STATUS_NO_DOCS:
        return PIXMA_ENO_PAPER;
     case SANE_STATUS_EOF:
-    case SANE_STATUS_HW_LOCKED:         /* unused by pixma */
+    case SANE_STATUS_HW_LOCKED:       /* unused by pixma */
     case SANE_STATUS_WARMING_UP:      /* unused by pixma */
       break;
     }