libata: Fix ata_err_string()

Add proper error string output for ATA_ERR_NCQ and ATA_ERR_NODEV_HINT
instead of returning "unknown error".

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 6c9d3fc..e85ab60 100644 (file)
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1483,6 +1483,10 @@ static const char *ata_err_string(unsigned int err_mask)
                return "invalid argument";
        if (err_mask & AC_ERR_DEV)
                return "device error";
+       if (err_mask & AC_ERR_NCQ)
+               return "NCQ error";
+       if (err_mask & AC_ERR_NODEV_HINT)
+               return "Polling detection error";
        return "unknown error";
 }