mtd/drivers/mtd/chips gen_probe.c,1.14,1.15

[gleixner at infradead.org]

Update of /home/cvs/mtd/drivers/mtd/chips
In directory phoenix.infradead.org:/tmp/cvs-serv15090

Modified Files:
	gen_probe.c 
Log Message:
zero chip_map memory before using it. Pointed out by Robert Schwebel <rschwebel at pengutronix dot de>

Index: gen_probe.c
===================================================================
RCS file: /home/cvs/mtd/drivers/mtd/chips/gen_probe.c,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -r1.14 -r1.15
--- gen_probe.c	8 Nov 2003 00:51:21 -0000	1.14
+++ gen_probe.c	24 Jun 2004 18:10:39 -0000	1.15
@@ -56,7 +56,7 @@
 	struct cfi_private cfi;
 	struct cfi_private *retcfi;
 	unsigned long *chip_map;
-	int i, j;
+	int i, j, mapsize;
 	int max_chips;
 
 	memset(&cfi, 0, sizeof(cfi));
@@ -108,12 +108,14 @@
 	 * Align bitmap storage size to full byte. 
 	 */ 
 	max_chips = map->size >> cfi.chipshift;
-	chip_map = kmalloc((max_chips / 8) + ((max_chips % 8) ? 1 : 0), GFP_KERNEL);
+	mapsize = (max_chips / 8) + ((max_chips % 8) ? 1 : 0);
+	chip_map = kmalloc(mapsize, GFP_KERNEL);
 	if (!chip_map) {
 		printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name);
 		kfree(cfi.cfiq);
 		return NULL;
 	}
+	memset (chip_map, 0, mapsize);
 
 	set_bit(0, chip_map); /* Mark first chip valid */