From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Fri, 8 Apr 2022 18:33:20 +0000 (-0400)
Subject: Fix: do not warn on unknown counter ioctl
X-Git-Tag: v2.13.4~14
X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=ce27e65e4c1525db5734d92c1ddf4b754c8b40d3;p=lttng-modules.git

Fix: do not warn on unknown counter ioctl

It is perfectly valid for a newer lttng-tools to try to use an unknown
ioctl and handle -ENOSYS.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: Ia9f6472ca1196f983eee1327805b0ad69d028a98
---

diff --git a/src/lttng-abi.c b/src/lttng-abi.c
index 864df6fc..f8004e9b 100644
--- a/src/lttng-abi.c
+++ b/src/lttng-abi.c
@@ -730,7 +730,6 @@ long lttng_counter_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		return lttng_kernel_counter_clear(counter, indexes);
 	}
 	default:
-		WARN_ON_ONCE(1);
 		return -ENOSYS;
 	}
 }