extcap: fix a bug in create_tempfile() return check (CID 1323930)

Change-Id: Ifacdfee5c12e676969cfe536dfeda2be93426a46
Reviewed-on: https://code.wireshark.org/review/10929
Reviewed-by: Michal Labedzki <michal.labedzki@tieto.com>
Petri-Dish: Michal Labedzki <michal.labedzki@tieto.com>
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/extcap.c b/extcap.c
index 92c3323461..013389c0fc 100644
--- a/extcap.c
+++ b/extcap.c
@@ -779,7 +779,7 @@ gboolean extcap_create_pipe(char ** fifo)
     gchar *temp_name = NULL;
     int fd = 0;
 
-    if ( ( fd = create_tempfile ( &temp_name, EXTCAP_PIPE_PREFIX ) ) == 0 )
+    if ((fd = create_tempfile(&temp_name, EXTCAP_PIPE_PREFIX)) < 0 )
         return FALSE;
 
     ws_close(fd);