[PATCH] ladspa-sink: fix incorrect error conditions

[sangchul1011@xxxxxxxxx (Sangchul Lee)]

From: Sangchul Lee <sangchul1011@xxxxxxxxx>

fix codes to prevent null pointer dereference of cdata variable.

Signed-off-by: Sangchul Lee <sc11.lee at samsung.com>
---
 src/modules/module-ladspa-sink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/module-ladspa-sink.c b/src/modules/module-ladspa-sink.c
index d677381..c365b31 100644
--- a/src/modules/module-ladspa-sink.c
+++ b/src/modules/module-ladspa-sink.c
@@ -718,7 +718,7 @@ static int parse_control_parameters(struct userdata *u, const char *cdata, doubl
 
     pa_log_debug("Trying to read %lu control values", u->n_control);
 
-    if (!cdata && u->n_control > 0)
+    if (!cdata || u->n_control == 0)
         return -1;
 
     pa_log_debug("cdata: '%s'", cdata);
-- 
2.7.4