If 'dma_map_single()' fails, the ref counted 'shpnt' will be decremented twice because 'scsi_host_put()' is called in the if block, and in the error handling path. Axe one of these calls. Fixes: 1dc09e120c83 ("scsi: aha1740: stop using scsi_unregister") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- drivers/scsi/aha1740.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index da4150c17781..5a227c03895f 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -592,7 +592,6 @@ static int aha1740_probe (struct device *dev) DMA_BIDIRECTIONAL); if (!host->ecb_dma_addr) { printk (KERN_ERR "aha1740_probe: Couldn't map ECB, giving up\n"); - scsi_host_put (shpnt); goto err_host_put; } -- 2.20.1