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| author | mav <mav@FreeBSD.org> | 2009-02-23 08:58:29 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2009-02-23 08:58:29 +0000 |
| commit | dcb65e8ff9b0f05a4441896449096f3a42b9cb73 (patch) | |
| tree | 093666ee871bc1b7fefbfb40d827bcf9cc757a34 /sys/dev/ata | |
| parent | cd92a848979b25170096a42046ee3dc9e6e1553e (diff) | |
| download | FreeBSD-src-dcb65e8ff9b0f05a4441896449096f3a42b9cb73.zip FreeBSD-src-dcb65e8ff9b0f05a4441896449096f3a42b9cb73.tar.gz | |
Do not call devices probe/attach if there is nothing new was found.
Diffstat (limited to 'sys/dev/ata')
| -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; |
