From 33938af707dbae1a341d2eecb801489f5938aa1b Mon Sep 17 00:00:00 2001
From: Alexandre Bailon <abailon@baylibre.com>
Date: Tue, 20 Sep 2016 13:35:40 +0200
Subject: [PATCH] comtroller: exit the recv thread in the case of error
When an error happen during a read operation,
the thread continuously try to read again, and break down the performances.
If something is going wrong during a read operation,
exit the thread instead of trying to read again.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
---
controller.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/controller.c b/controller.c
index a4d1022..403b9ca 100644
--- a/controller.c
+++ b/controller.c
@@ -265,7 +265,12 @@ void *connection_recv(void *data)
ret = ctrl->read(conn, buffer, GB_NETLINK_MTU);
if (ret < 0) {
pr_err("Failed to read data: %d\n", ret);
- continue;
+ break;
+ }
+
+ if (ret == 0) {
+ pr_err("Read is expected to be blocking!\n");
+ break;
}
pr_dump(buffer, ret);
--
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