Use mutex instead of semaphore in struct class.
Signed-off-by: Dave Young <[EMAIL PROTECTED]>
---
drivers/scsi/hosts.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -upr linux/drivers/scsi/hosts.c linux.new/drivers/scsi/hosts.c
--- linux/drivers/scsi/hosts.c 2007-12-28 10:45:46.000000000 +0800
+++ linux.new/drivers/scsi/hosts.c 2007-12-28 10:46:19.000000000 +0800
@@ -441,7 +441,7 @@ struct Scsi_Host *scsi_host_lookup(unsig
struct class_device *cdev;
struct Scsi_Host *shost = ERR_PTR(-ENXIO), *p;
- down(&class->sem);
+ mutex_lock(&class->mutex);
list_for_each_entry(cdev, &class->children, node) {
p = class_to_shost(cdev);
if (p->host_no == hostnum) {
@@ -449,7 +449,7 @@ struct Scsi_Host *scsi_host_lookup(unsig
break;
}
}
- up(&class->sem);
+ mutex_unlock(&class->mutex);
return shost;
}
-
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