Allow max_events to be zero in mtdev_pull()

When reading from non-blocking devices, it makes sense to read
all events available. This patch lets a zero max_events achieve that.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/iobuf.c b/src/iobuf.c
index 199e0d8..6516a2c 100644
--- a/src/iobuf.c
+++ b/src/iobuf.c
@@ -68,6 +68,8 @@ int mtdev_pull(struct mtdev *dev, int fd, int max_events)
         struct mtdev_state *state = dev->state;
         struct input_event ev;
         int ret, count = 0;
+        if (max_events <= 0)
+                max_events = DIM_EVENTS;
         while (max_events-- && !evbuf_full(&state->inbuf)) {
                 ret = mtdev_fetch(dev, fd, &ev);
                 if (ret < 0)