Fix enable syscall and bad value of poll set size

[lttng-tools.git] / ltt-sessiond / main.c

diff --git a/ltt-sessiond/main.c b/ltt-sessiond/main.c
index 7532e2c3bdde96e18c6d82772bf2b9ae3fbb146c..c66ecb95690df819ce95825b83f20ac147dd4137 100644 (file)
--- a/ltt-sessiond/main.c
+++ b/ltt-sessiond/main.c
@@ -701,6 +701,12 @@ static void *thread_manage_kernel(void *data)
 
        while (1) {
                if (update_poll_flag == 1) {
+                       /*
+                        * Reset number of fd in the poll set. Always 2 since there is the thread
+                        * quit pipe and the kernel pipe.
+                        */
+                       events.nb_fd = 2;
+
                        ret = update_kernel_poll(&events);
                        if (ret < 0) {
                                goto error;
@@ -1432,12 +1438,13 @@ static int mount_debugfs(char *path)
 
        ret = mkdir_recursive(path, S_IRWXU | S_IRWXG, geteuid(), getegid());
        if (ret < 0) {
+               PERROR("Cannot create debugfs path");
                goto error;
        }
 
        ret = mount(type, path, type, 0, NULL);
        if (ret < 0) {
-               perror("mount debugfs");
+               PERROR("Cannot mount debugfs");
                goto error;
        }
 
@@ -1487,6 +1494,7 @@ static void init_kernel_tracer(void)
                }
                ret = mount_debugfs(debugfs_path);
                if (ret < 0) {
+                       perror("Cannot mount debugfs");
                        goto error;
                }
        }