[PATCH 2/2] cfi_flash: size_ratio should not be 0

Oleksij Rempel linux at rempel-privat.de
Wed May 22 03:53:40 EDT 2013


We will get size = 0 if size_ratio = 0

Signed-off-by: Oleksij Rempel <linux at rempel-privat.de>
---
 drivers/mtd/nor/cfi_flash.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nor/cfi_flash.c b/drivers/mtd/nor/cfi_flash.c
index 4b4e29d..85e96ce 100644
--- a/drivers/mtd/nor/cfi_flash.c
+++ b/drivers/mtd/nor/cfi_flash.c
@@ -371,7 +371,8 @@ static ulong flash_get_size (struct flash_info *info)
 		size_ratio = info->portwidth / info->chipwidth;
 		/* if the chip is x8/x16 reduce the ratio by half */
 		if ((info->interface == FLASH_CFI_X8X16)
-		    && (info->chipwidth == FLASH_CFI_BY8)) {
+		    && (info->chipwidth == FLASH_CFI_BY8)
+		    && (size_ratio != 1)) {
 			size_ratio >>= 1;
 		}
 		debug ("size_ratio %d port %d bits chip %d bits\n",
-- 
1.8.1.2




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