From: Florian Fainelli <f.fainelli@gmail.com>
Date: Thu, 23 Mar 2023 15:52:45 -0700
Subject: [PATCH] scripts/gdb: bail early if there are no clocks
References: bsc#1012628
Patch-mainline: 6.3.2
Git-commit: 1d7adbc74c009057ed9dc3112f388e91a9c79acc
[ Upstream commit 1d7adbc74c009057ed9dc3112f388e91a9c79acc ]
Avoid generating an exception if there are no clocks registered:
(gdb) lx-clk-summary
enable prepare protect
clock count count count rate
------------------------------------------------------------------------
Python Exception <class 'gdb.error'>: No symbol "clk_root_list" in
current context.
Error occurred in Python: No symbol "clk_root_list" in current context.
Link: https://lkml.kernel.org/r/20230323225246.3302977-1-f.fainelli@gmail.com
Fixes: d1e9710b63d8 ("scripts/gdb: initial clk support: lx-clk-summary")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
scripts/gdb/linux/clk.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/gdb/linux/clk.py b/scripts/gdb/linux/clk.py
index 061aecfa..7a01fdc3 100644
--- a/scripts/gdb/linux/clk.py
+++ b/scripts/gdb/linux/clk.py
@@ -41,6 +41,8 @@ are cached and potentially out of date"""
self.show_subtree(child, level + 1)
def invoke(self, arg, from_tty):
+ if utils.gdb_eval_or_none("clk_root_list") is None:
+ raise gdb.GdbError("No clocks registered")
gdb.write(" enable prepare protect \n")
gdb.write(" clock count count count rate \n")
gdb.write("------------------------------------------------------------------------\n")
--
2.35.3