Author: mav
Date: Mon Feb 23 08:58:29 2009
New Revision: 188936
URL: http://svn.freebsd.org/changeset/base/188936
Log:
Do not call devices probe/attach if there is nothing new was found.
Modified:
head/sys/dev/ata/ata-all.c
Modified: head/sys/dev/ata/ata-all.c
==============================================================================
--- head/sys/dev/ata/ata-all.c Mon Feb 23 08:19:30 2009 (r188935)
+++ head/sys/dev/ata/ata-all.c Mon Feb 23 08:58:29 2009 (r188936)
@@ -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;
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