pixma: fix end of line crop buffer size for better efficiency.

modified:   ChangeLog
	modified:   backend/pixma.c

ChangeLog

@@ -1,3 +1,8 @@
+2010-07-03  Nicolas Martin <nicols-guest at users.alioth.debian.org>
+	* doc/descriptions/pixma.desc, backend/pixma.c
+	pixma: fix ImageClass MF6550 description.
+	       fix end of line crop buffer size.
+
 2010-07-02  Nicolas Martin <nicols-guest at users.alioth.debian.org>
 	* doc/descriptions/pixma.desc, doc/sane-pixma.man:
 	pixma: update doc to include ImageClass MF6550 support.

backend/pixma.c

@@ -1301,7 +1301,10 @@ sane_read (SANE_Handle h, SANE_Byte * buf, SANE_Int maxlen, SANE_Int * len)
 {
   DECL_CTX;
   int sum, n;
-  SANE_Byte temp[60];
+  /* Due to 32 pixels alignment, sizeof(temp) is to be greater than:
+   * max(nchannels) * max (sp.line_size - output_line_size)
+   * so currently: 3 * 32 = 96  for better end line cropping efficiency */
+  SANE_Byte temp[100];
   SANE_Status status;
 
   if (len)