Fix: ring buffer: RING_BUFFER_FLUSH ioctl buffer corruption

[lttng-modules.git] / lib / ringbuffer / ring_buffer_vfs.c

diff --git a/lib/ringbuffer/ring_buffer_vfs.c b/lib/ringbuffer/ring_buffer_vfs.c
index 899af8124f05c10f296b7ea167383a399fdb1e28..a7c0e695beecfb96769b95464784d0767f2de423 100644 (file)
--- a/lib/ringbuffer/ring_buffer_vfs.c
+++ b/lib/ringbuffer/ring_buffer_vfs.c
@@ -261,7 +261,7 @@ long lib_ring_buffer_ioctl(struct file *filp, unsigned int cmd, unsigned long ar
                                 arg);
        }
        case RING_BUFFER_FLUSH:
-               lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE);
+               lib_ring_buffer_switch_remote(buf);
                return 0;
        default:
                return -ENOIOCTLCMD;
@@ -374,7 +374,7 @@ long lib_ring_buffer_compat_ioctl(struct file *filp, unsigned int cmd,
                return compat_put_ulong(read_offset, arg);
        }
        case RING_BUFFER_COMPAT_FLUSH:
-               lib_ring_buffer_switch_slow(buf, SWITCH_ACTIVE);
+               lib_ring_buffer_switch_remote(buf);
                return 0;
        default:
                return -ENOIOCTLCMD;