kernel-shark: Only warn in file dialog if file exists

The warning of the file dialog will happen everytime even
if the file does not exist. Fix that.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/trace-dialog.c b/trace-dialog.c
index 795c608..73da046 100644
--- a/trace-dialog.c
+++ b/trace-dialog.c
@@ -24,6 +24,7 @@
 #include <stdarg.h>
 #include <errno.h>
 #include <ctype.h>
+#include <sys/stat.h>
 
 #include "trace-compat.h"
 #include "trace-cmd.h"
@@ -306,6 +307,7 @@ GtkResponseType trace_dialog(GtkWindow *parent, enum trace_dialog_type type,
 gchar *trace_get_file_dialog(const gchar *title, const char *open,
                              gboolean warn)
 {
+        struct stat st;
         GtkWidget *dialog;
         GtkResponseType ret;
         gchar *filename = NULL;
@@ -325,7 +327,7 @@ gchar *trace_get_file_dialog(const gchar *title, const char *open,
 
         if (ret == GTK_RESPONSE_ACCEPT) {
                 filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
-                if (warn) {
+                if (filename && warn && (stat(filename, &st) >= 0)) {
                         ret = trace_dialog(GTK_WINDOW(dialog), TRACE_GUI_ASK,
                                            "The file '%s' already exists.\n"
                                            "Are you sure you want to replace it",