[RAMEN9610-21380]HID: hiddev: avoid opening a disconnected device

[GitHub/MotorolaMobilityLLC/kernel-slsi.git] / lib / dynamic_debug.c

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index da796e2dc4f506dc63db68b132180acff00c291f..c7c96bc7654af7c4d5f3c8bbf595989f9b3d0ebf 100644 (file)
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -360,6 +360,10 @@ static int ddebug_parse_query(char *words[], int nwords,
                                if (parse_lineno(last, &query->last_lineno) < 0)
                                        return -EINVAL;
 
+                               /* special case for last lineno not specified */
+                               if (query->last_lineno == 0)
+                                       query->last_lineno = UINT_MAX;
+
                                if (query->last_lineno < query->first_lineno) {
                                        pr_err("last-line:%d < 1st-line:%d\n",
                                                query->last_lineno,