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-rw-r--r--drivers/mtd/nand/nand_base.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 01946b7c3a8..9d01c4df838 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1174,13 +1174,14 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
int data_col_addr, i, gaps = 0;
int datafrag_len, eccfrag_len, aligned_len, aligned_pos;
int busw = (chip->options & NAND_BUSWIDTH_16) ? 2 : 1;
- int index = 0;
+ int index;
unsigned int max_bitflips = 0;
/* Column address within the page aligned to ECC size (256bytes) */
start_step = data_offs / chip->ecc.size;
end_step = (data_offs + readlen - 1) / chip->ecc.size;
num_steps = end_step - start_step + 1;
+ index = start_step * chip->ecc.bytes;
/* Data size aligned to ECC ecc.size */
datafrag_len = num_steps * chip->ecc.size;
@@ -1217,8 +1218,6 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
* Send the command to read the particular ECC bytes take care
* about buswidth alignment in read_buf.
*/
- index = start_step * chip->ecc.bytes;
-
aligned_pos = eccpos[index] & ~(busw - 1);
aligned_len = eccfrag_len;
if (eccpos[index] & (busw - 1))