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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-03-16 16:24:36 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-03-16 16:25:09 -0400
commit1425075e7272faaa3629a1e2df679c0ba4cf55d3 (patch)
tree6d79a735f8a02d6dc9e27b915f6244fe1ab6b7ff /sound/core/timer.c
parent849dc3244c916545790bfb9055625a3719061c92 (diff)
parent2fa8f88d8892507ecff0126fbc67906740491d31 (diff)
Merge tag 'nfs-rdma-4.6-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma
NFS: NFSoRDMA Client Side Changes These patches include several bugfixes and cleanups for the NFSoRDMA client. This includes bugfixes for NFS v4.1, proper RDMA_ERROR handling, and fixes from the recent workqueue swicchover. These patches also switch xprtrdma to use the new CQ API Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> * tag 'nfs-rdma-4.6-1' of git://git.linux-nfs.org/projects/anna/nfs-rdma: (787 commits) xprtrdma: Use new CQ API for RPC-over-RDMA client send CQs xprtrdma: Use an anonymous union in struct rpcrdma_mw xprtrdma: Use new CQ API for RPC-over-RDMA client receive CQs xprtrdma: Serialize credit accounting again xprtrdma: Properly handle RDMA_ERROR replies rpcrdma: Add RPCRDMA_HDRLEN_ERR xprtrdma: Do not wait if ib_post_send() fails xprtrdma: Segment head and tail XDR buffers on page boundaries xprtrdma: Clean up dprintk format string containing a newline xprtrdma: Clean up physical_op_map() xprtrdma: Clean up unused RPCRDMA_INLINE_PAD_THRESH macro
Diffstat (limited to 'sound/core/timer.c')
-rw-r--r--sound/core/timer.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 9b513a05765a..dca817fc7894 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -422,7 +422,7 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
spin_lock_irqsave(&timer->lock, flags);
list_for_each_entry(ts, &ti->slave_active_head, active_list)
if (ts->ccallback)
- ts->ccallback(ti, event + 100, &tstamp, resolution);
+ ts->ccallback(ts, event + 100, &tstamp, resolution);
spin_unlock_irqrestore(&timer->lock, flags);
}
@@ -518,9 +518,13 @@ static int _snd_timer_stop(struct snd_timer_instance *timeri, int event)
spin_unlock_irqrestore(&slave_active_lock, flags);
return -EBUSY;
}
+ if (timeri->timer)
+ spin_lock(&timeri->timer->lock);
timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
list_del_init(&timeri->ack_list);
list_del_init(&timeri->active_list);
+ if (timeri->timer)
+ spin_unlock(&timeri->timer->lock);
spin_unlock_irqrestore(&slave_active_lock, flags);
goto __end;
}
@@ -1929,6 +1933,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
{
struct snd_timer_user *tu;
long result = 0, unit;
+ int qhead;
int err = 0;
tu = file->private_data;
@@ -1940,7 +1945,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {
err = -EAGAIN;
- break;
+ goto _error;
}
set_current_state(TASK_INTERRUPTIBLE);
@@ -1955,42 +1960,37 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
if (tu->disconnected) {
err = -ENODEV;
- break;
+ goto _error;
}
if (signal_pending(current)) {
err = -ERESTARTSYS;
- break;
+ goto _error;
}
}
+ qhead = tu->qhead++;
+ tu->qhead %= tu->queue_size;
spin_unlock_irq(&tu->qlock);
- if (err < 0)
- goto _error;
if (tu->tread) {
- if (copy_to_user(buffer, &tu->tqueue[tu->qhead++],
- sizeof(struct snd_timer_tread))) {
+ if (copy_to_user(buffer, &tu->tqueue[qhead],
+ sizeof(struct snd_timer_tread)))
err = -EFAULT;
- goto _error;
- }
} else {
- if (copy_to_user(buffer, &tu->queue[tu->qhead++],
- sizeof(struct snd_timer_read))) {
+ if (copy_to_user(buffer, &tu->queue[qhead],
+ sizeof(struct snd_timer_read)))
err = -EFAULT;
- goto _error;
- }
}
- tu->qhead %= tu->queue_size;
-
- result += unit;
- buffer += unit;
-
spin_lock_irq(&tu->qlock);
tu->qused--;
+ if (err < 0)
+ goto _error;
+ result += unit;
+ buffer += unit;
}
- spin_unlock_irq(&tu->qlock);
_error:
+ spin_unlock_irq(&tu->qlock);
return result > 0 ? result : err;
}