Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]

[Ingo Molnar <mingo@elte.hu>]

* Mark_H_Johnson@raytheon.com <Mark_H_Johnson@raytheon.com> wrote:

> Hmm. I was in the middle of a V0.6.4 build when I saw this message.
> I let it run but the build stopped with the following error:
> 
>   CC [M]  drivers/scsi/qla2xxx/qla_os.o
>   CC [M]  drivers/usb/media/stv680.o
> drivers/scsi/qla2xxx/qla_os.c: In function `qla2x00_do_dpc':
> drivers/scsi/qla2xxx/qla_os.c:3193: warning: implicit declaration of
> function `DECLARE_MUTEX_LOCKED'

the patch below should fix it, will be in the next release.

	Ingo

--- linux/drivers/scsi/qla2xxx/qla_os.c.orig
+++ linux/drivers/scsi/qla2xxx/qla_os.c
@@ -3190,7 +3190,7 @@ qla2x00_free_sp_pool( scsi_qla_host_t *h
 static int
 qla2x00_do_dpc(void *data)
 {
-	DECLARE_MUTEX_LOCKED(sem);
+	DECLARE_MUTEX(sem);
 	scsi_qla_host_t *ha;
 	fc_port_t	*fcport;
 	os_lun_t        *q;
@@ -3204,6 +3204,8 @@ qla2x00_do_dpc(void *data)
 	int t;
 	os_tgt_t *tq;
 
+	down(&sem);
+
 	ha = (scsi_qla_host_t *)data;
 
 	lock_kernel();