mtd: mxc_nand: fix read past buffer end

Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Sascha hauer <s.hauer@pengutronix.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
git-mirror · Mar 11, 2011 · 5d9d993 · 5d9d993
1 parent 74f1b72
commit 5d9d993
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
@@ -641,9 +641,9 @@ static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 
 	n = min(n, len);
 
-	memcpy(buf, host->data_buf + col, len);
+	memcpy(buf, host->data_buf + col, n);
 
-	host->buf_start += len;
+	host->buf_start += n;
 }
 
 /* Used by the upper layer to verify the data in NAND Flash