[MTD] [NOR] fix startup lock when using multiple nor flash chips

Taken from http://bugzilla.kernel.org/show_bug.cgi?id=9829

I found and solved the problem, at line 115 of drivers/mtd/chips/gen_probe.c
(kernel 2.6.24): mapsize value must be calculated in bytes, not in long.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index 2eb696d7b97b0ca61ebf61c29cdfdaa2b70a3a91..d338b8c92780255d9d71a62f9484010a0cac7b64 100644 (file)
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -112,7 +112,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
                max_chips = 1;
        }
 
-       mapsize = (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG;
+       mapsize = sizeof(long) * ( (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG );
        chip_map = kzalloc(mapsize, GFP_KERNEL);
        if (!chip_map) {
                printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name);