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authorPaul Mackerras <paulus@samba.org>2007-04-30 12:38:01 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-30 12:38:01 +1000
commit49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch)
tree253801ebf57e0a23856a2c7be129c2c178f62fdf /drivers/infiniband/core/ucm.c
parent34f6d749c0a328817d5e36274e53121c1db734dc (diff)
parentb9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff)
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'drivers/infiniband/core/ucm.c')
-rw-r--r--drivers/infiniband/core/ucm.c23
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index ee51d79a7ad..2586a3ee8eb 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -407,29 +407,18 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file,
mutex_lock(&file->file_mutex);
while (list_empty(&file->events)) {
+ mutex_unlock(&file->file_mutex);
- if (file->filp->f_flags & O_NONBLOCK) {
- result = -EAGAIN;
- break;
- }
+ if (file->filp->f_flags & O_NONBLOCK)
+ return -EAGAIN;
- if (signal_pending(current)) {
- result = -ERESTARTSYS;
- break;
- }
+ if (wait_event_interruptible(file->poll_wait,
+ !list_empty(&file->events)))
+ return -ERESTARTSYS;
- prepare_to_wait(&file->poll_wait, &wait, TASK_INTERRUPTIBLE);
-
- mutex_unlock(&file->file_mutex);
- schedule();
mutex_lock(&file->file_mutex);
-
- finish_wait(&file->poll_wait, &wait);
}
- if (result)
- goto done;
-
uevent = list_entry(file->events.next, struct ib_ucm_event, file_list);
if (ib_ucm_new_cm_id(uevent->resp.event)) {