diff options
| author | Hannes Reinecke <hare@suse.de> | 2015-01-19 16:55:38 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2015-01-20 19:41:41 +0100 |
| commit | a13b0c9d09157e331b31e25c1ea19216b837a619 (patch) | |
| tree | 3fa30eff3ed1e4e502d2b81b83438c456cf38a8e | |
| parent | a63bb9ba84c4b32569a6ac6040c2a919b4ff4a14 (diff) | |
libata: fixup oops in ata_eh_link_report()
We should only try to evaluate the cdb if this is an ATAPI
device, for any other device the 'cdb' field and the cdb_len
has no meaning.
Fixes: cbba5b0ee4c6c2fc8b78a21d0900099d480cf2e9
Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Tejun Heo <tj@kernel.org>
Tested-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | drivers/ata/libata-eh.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 9179f1123213..665fd2b18970 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2481,8 +2481,6 @@ static void ata_eh_link_report(struct ata_link *link) for (tag = 0; tag < ATA_MAX_QUEUE; tag++) { struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag); struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf; - const u8 *cdb = qc->cdb; - size_t cdb_len = qc->dev->cdb_len; char data_buf[20] = ""; char cdb_buf[70] = ""; @@ -2510,6 +2508,9 @@ static void ata_eh_link_report(struct ata_link *link) } if (ata_is_atapi(qc->tf.protocol)) { + const u8 *cdb = qc->cdb; + size_t cdb_len = qc->dev->cdb_len; + if (qc->scsicmd) { cdb = qc->scsicmd->cmnd; cdb_len = qc->scsicmd->cmd_len; |