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kernel: mtk_bmt: fix block copying on remap with bmt v2

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Copy from the previously mapped block (in case it was remapped already)

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2022-03-09 16:04:39 +01:00
parent b4c7f8c5f7
commit 7d1e2be160
1 changed files with 6 additions and 6 deletions
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12
target/linux/generic/files/drivers/mtd/nand/mtk_bmt_v2.c
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@ -285,21 +285,21 @@ error:
*/
static bool remap_block_v2(u16 block, u16 mapped_block, int copy_len)
{
u16 mapped_blk;
u16 new_block;
struct bbbt *bbt;
bbt = bmtd.bbt;
mapped_blk = find_valid_block_in_pool(bbt);
if (mapped_blk == 0)
new_block = find_valid_block_in_pool(bbt);
if (new_block == 0)
return false;
/* Map new bad block to available block in pool */
bbt->bb_tbl[block] = mapped_blk;
bbt->bb_tbl[block] = new_block;
/* Erase new block */
bbt_nand_erase(mapped_blk);
bbt_nand_erase(new_block);
if (copy_len > 0)
bbt_nand_copy(mapped_blk, block, copy_len);
bbt_nand_copy(new_block, mapped_block, copy_len);
bmtd.bmt_blk_idx = upload_bmt(bbt, bmtd.bmt_blk_idx);