mv_init_host() propagates the value returned by mv_chip_id() which in turn gets propagated by mv_pci_init_one() and hits local_pci_probe(). During the process of driver probing, the probe function should return < 0 for failure, otherwise, the kernel will treat value > 0 as success. Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx> --- drivers/ata/sata_mv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 9d86203e1e7a..7461fe078dd1 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -3897,7 +3897,7 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) default: dev_err(host->dev, "BUG: invalid board index %u\n", board_idx); - return 1; + return -ENODEV; } hpriv->hp_flags = hp_flags; -- 2.17.6
