Point users at fuser to figure out what has the device open

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 5 insertions, 2 deletions

diff --git a/evtest.c b/evtest.c
index 668d8c7..f2dc904 100644
--- a/evtest.c
+++ b/evtest.c
@@ -973,8 +973,6 @@ static int do_capture(const char *device)
 		return EXIT_FAILURE;
 	}
 
-	free(filename);
-
 	if (!isatty(fileno(stdout)))
 		setbuf(stdout, NULL);
 
@@ -991,9 +989,14 @@ static int do_capture(const char *device)
 		       "  other grab is active.\n");
 		printf("  In most cases, this is caused by an X driver,\n"
 		       "  try VT-switching and re-run evtest again.\n");
+		printf("  Run the following command to see processes with\n"
+		       "  an open fd on this device\n"
+		       " \"fuser -v %s\"\n", filename);
 		printf("***********************************************\n");
 	}
 
+	free(filename);
+
 	return print_events(fd);
 }