Add more descriptor pad checking.

i-nex · Sep 24, 2007 · 30407a6 · 30407a6
1 parent 65a379a
commit 30407a6
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/edid-decode.c b/edid-decode.c
@@ -88,6 +88,12 @@ detailed_block(unsigned char *x)
 		   x[2]);
 	    has_valid_descriptor_pad = 0;
 	}
+	if (x[3] != 0xfd && x[4] != 0x00) {
+	    /* 1.3, 3.10.3 */
+	    printf("Monitor descriptor block has byte 4 nonzero (0x%02x)\n",
+		   x[4]);
+	    has_valid_descriptor_pad = 0;
+	}
 
 	seen_non_detailed_descriptor = 1;
 	if (x[3] <= 0xF) {