sr: backend/zeroplus: Improve debug output.

[libsigrok.git] / session.c

diff --git a/session.c b/session.c
index 5e1d54a1e86f5d2b8f9dac4129700bab08c823c2..7c3dcef45c92eb9c94fc88c87b63ad3d0dc9077e 100644 (file)
--- a/session.c
+++ b/session.c
@@ -217,7 +217,9 @@ static int sr_session_run_poll(void)
 
                /* Construct g_poll()'s array. */
                if (!(fds = g_try_malloc(sizeof(GPollFD) * num_sources))) {
-                       sr_err("session: %s: fds malloc failed", __func__);
+                       /* Not enough memory, or num_sources was 0. */
+                       sr_err("session: %s: fds malloc failed "
+                              "(num_sources was %d).", __func__, num_sources);
                        return SR_ERR_MALLOC;
                }
                for (i = 0; i < num_sources; i++) {