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FROMLIST: dm-verity: skip verity_handle_error on I/O errors

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If there is an I/O error and FEC correction fails, return
an error instead of calling verity_handle_error().

Suggested-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Akilesh Kailash <akailash@google.com>

Bug: 197830746
Change-Id: Idd5f65bb72c78a1cca44e5593e40880b2408b564
Link: https://lore.kernel.org/all/20210913092642.3237796-1-akailash@google.com/
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
This commit is contained in:
Akilesh Kailash
2021-09-13 09:26:42 +00:00
committed by Elliot Berman
parent 640610dbc4
commit fca745e32d
1 changed files with 11 additions and 2 deletions
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11
drivers/md/dm-verity-target.c
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@@ -475,6 +475,7 @@ static int verity_verify_io(struct dm_verity_io *io)
struct bvec_iter start;
unsigned b;
struct crypto_wait wait;
struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_io_data_size);
for (b = 0; b < io->n_blocks; b++) {
int r;
@@ -529,10 +530,18 @@ static int verity_verify_io(struct dm_verity_io *io)
else if (verity_fec_decode(v, io, DM_VERITY_BLOCK_TYPE_DATA,
cur_block, NULL, &start) == 0)
continue;
else if (verity_handle_err(v, DM_VERITY_BLOCK_TYPE_DATA,
else {
if (bio->bi_status) {
/*
* Error correction failed; Just return error
*/
return -EIO;
}
if (verity_handle_err(v, DM_VERITY_BLOCK_TYPE_DATA,
cur_block))
return -EIO;
}
}
return 0;
}