diff options
| -rw-r--r-- | sys/dev/ata/ata-all.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ata/ata-all.c b/sys/dev/ata/ata-all.c index 2033231..c30e820 100644 --- a/sys/dev/ata/ata-all.c +++ b/sys/dev/ata/ata-all.c @@ -722,6 +722,10 @@ ata_identify(device_t dev) /* Create new devices. */ if (bootverbose) device_printf(dev, "New devices: %08x\n", n); + if (n == 0) { + mtx_unlock(&Giant); + return (0); + } for (i = 0; i < ATA_PM; ++i) { if (n & (((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << i))) { int unit = -1; |
