IB/core: Don't use is_async in event files to infer events size
Previously, we inferred the events size in ib_uverbs_event_read by
using the is_async flag. Instead of that, we pass the event size
directly.
Fixes: 1e7710f3f656 ('IB/core: Change completion channel to use the reworked objects schema')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 0b0dab8..4ab0e5d 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -257,10 +257,9 @@
struct ib_uverbs_file *uverbs_file,
struct file *filp, char __user *buf,
size_t count, loff_t *pos,
- bool is_async)
+ size_t eventsz)
{
struct ib_uverbs_event *event;
- int eventsz;
int ret = 0;
spin_lock_irq(&file->lock);
@@ -290,11 +289,6 @@
event = list_entry(file->event_list.next, struct ib_uverbs_event, list);
- if (is_async)
- eventsz = sizeof (struct ib_uverbs_async_event_desc);
- else
- eventsz = sizeof (struct ib_uverbs_comp_event_desc);
-
if (eventsz > count) {
ret = -EINVAL;
event = NULL;
@@ -326,7 +320,8 @@
struct ib_uverbs_async_event_file *file = filp->private_data;
return ib_uverbs_event_read(&file->ev_file, file->uverbs_file, filp,
- buf, count, pos, true);
+ buf, count, pos,
+ sizeof(struct ib_uverbs_async_event_desc));
}
static ssize_t ib_uverbs_comp_event_read(struct file *filp, char __user *buf,
@@ -337,7 +332,8 @@
return ib_uverbs_event_read(&comp_ev_file->ev_file,
comp_ev_file->uobj_file.ufile, filp,
- buf, count, pos, false);
+ buf, count, pos,
+ sizeof(struct ib_uverbs_comp_event_desc));
}
static unsigned int ib_uverbs_event_poll(struct ib_uverbs_event_file *file,