r3273 - trunk/util/flashrom

Author: stuge
Date: 2008-04-28 16:47:30 +0200 (Mon, 28 Apr 2008)
New Revision: 3273

Modified:
   trunk/util/flashrom/flashrom.c
Log:
flashrom: Handle NULL probe, erase and write function pointers in the
flashchips table. The read pointer was already checked properly.

Signed-off-by: Peter Stuge 
Acked-by: Stefan Reinauer

Modified: trunk/util/flashrom/flashrom.c
===================================================================
--- trunk/util/flashrom/flashrom.c	2008-04-25 23:11:02 UTC (rev 3272)
+++ trunk/util/flashrom/flashrom.c	2008-04-28 14:47:30 UTC (rev 3273)
@@ -111,6 +111,11 @@
    	}
    	printf_debug("Probing for %s %s, %d KB: ",
    		     flash->vendor, flash->name, flash->total_size);
+		if (!flash->probe) {
+			printf_debug("failed! flashrom has no probe function for this flash chip.\n");
+			flash++;
+			continue;
+		}

size = flash->total_size * 1024;

@@ -425,6 +430,10 @@

if (erase_it) {
    	printf("Erasing flash chip\n");
+		if (!flash->erase) {
+			fprintf(stderr, "Error: flashrom has no erase function for this flash chip.\n");
+			return 1;
+		}
    	flash->erase(flash);
    	exit(0);
    } else if (read_it) {
@@ -493,8 +502,13 @@

// ////////////////////////////////////////////////////////////

-	if (write_it)
+	if (write_it) {
+		if (!flash->write) {
+			fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
+			return 1;
+		}
    	ret |= flash->write(flash, buf);
+	}

if (verify_it)
    	ret |= verify_flash(flash, buf);