From fa3a25f8762169c5f0d586ee597d3918b0cf4b94 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Fri, 10 Aug 2012 22:19:17 +0000
Subject: [PATCH] Bugfix: bitforce: Allocate enough space for FTDI description
 pointers

Con's uglify of the FTDI autodetect replaced a standard C99 array with non-standard alloca that needs the developer to specify the size in bytes rather than elements, but he didn't account for pointer size at all
---
 driver-bitforce.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/driver-bitforce.c b/driver-bitforce.c
index bacac16c..980c4bf4 100644
--- a/driver-bitforce.c
+++ b/driver-bitforce.c
@@ -175,7 +175,7 @@ static int bitforce_autodetect_ftdi(void)
 	applog(LOG_DEBUG, "FTDI reports %u devices", (unsigned)numDevs);
 
 	buf = alloca(65 * numDevs);
-	bufptrs = alloca(numDevs + 1);
+	bufptrs = alloca(sizeof(*bufptrs) * (numDevs + 1));
 
 	for (i = 0; i < numDevs; ++i)
 		bufptrs[i] = &buf[i * 65];