[PATCH 4/6] libata: Fix ata_err_string()

[Damien Le Moal]

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.lem...@wdc.com>
---
 drivers/ata/libata-eh.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index d6264235c3d7..006ea1507dcf 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1482,6 +1482,10 @@ 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";
 }
 
-- 
2.14.3