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authorJiri Slaby <jslaby@suse.cz>2019-10-31 12:59:45 +0300
committerJens Axboe <axboe@kernel.dk>2019-11-01 17:50:51 +0300
commit95364f36701e62dd50eee91e1303187fd1a9f567 (patch)
tree3ba901b8f53c7c667cc1210ee727e5b63d62382b /drivers/ata/libata-core.c
parent25937580a5065d6fbd92d9c8ebd47145ad80052e (diff)
downloadlinux-95364f36701e62dd50eee91e1303187fd1a9f567.tar.xz
ata: make qc_prep return ata_completion_errors
In case a driver wants to return an error from qc_prep, return enum ata_completion_errors. sata_mv is one of those drivers -- see the next patch. Other drivers return the newly defined AC_ERR_OK. [v2] use enum ata_completion_errors and AC_ERR_OK. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Jens Axboe <axboe@kernel.dk> Cc: linux-ide@vger.kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 74c9b3032d46..e9017c570bc5 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4980,7 +4980,10 @@ int ata_std_qc_defer(struct ata_queued_cmd *qc)
return ATA_DEFER_LINK;
}
-void ata_noop_qc_prep(struct ata_queued_cmd *qc) { }
+enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc)
+{
+ return AC_ERR_OK;
+}
/**
* ata_sg_init - Associate command with scatter-gather table.
@@ -5443,7 +5446,9 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
return;
}
- ap->ops->qc_prep(qc);
+ qc->err_mask |= ap->ops->qc_prep(qc);
+ if (unlikely(qc->err_mask))
+ goto err;
trace_ata_qc_issue(qc);
qc->err_mask |= ap->ops->qc_issue(qc);
if (unlikely(qc->err_mask))