From: Mingkai Hu <Mingkai.hu@freescale.com>
Date: Thu, 30 Jul 2009 09:56:51 +0000 (+0800)
Subject: NAND boot: fix nand_load overlap issue
X-Git-Tag: v2009.08-rc3~10^2
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=269610f6ba2e4a7bc27d2e53d43160614016964f;p=u-boot

NAND boot: fix nand_load overlap issue

The code copy data from NAND flash block by block, so when
the data length isn't a whole-number multiple of the block
size, it will overlap the rest space.

Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
---

diff --git a/nand_spl/nand_boot_fsl_elbc.c b/nand_spl/nand_boot_fsl_elbc.c
index 0d0c44e1e3..7f14a6fe45 100644
--- a/nand_spl/nand_boot_fsl_elbc.c
+++ b/nand_spl/nand_boot_fsl_elbc.c
@@ -120,7 +120,7 @@ static void nand_load(unsigned int offs, int uboot_size, uchar *dst)
 
 			pos += page_size;
 			offs += page_size;
-		} while (offs & (block_size - 1));
+		} while ((offs & (block_size - 1)) && (pos < uboot_size));
 	}
 }