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authorFlorian Fainelli <f.fainelli@gmail.com>2023-03-24 01:52:45 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-04-08 23:45:38 +0300
commit1d7adbc74c009057ed9dc3112f388e91a9c79acc (patch)
tree638eed1f410f123ed8a824040fd5c99cae35eab1 /scripts/gdb
parentfb15abdca64503511bb32cb6ff70da306f24fa06 (diff)
downloadlinux-1d7adbc74c009057ed9dc3112f388e91a9c79acc.tar.xz
scripts/gdb: bail early if there are no clocks
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>
Diffstat (limited to 'scripts/gdb')
-rw-r--r--scripts/gdb/linux/clk.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/gdb/linux/clk.py b/scripts/gdb/linux/clk.py
index 061aecfa294e..7a01fdc3e844 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@@ -41,6 +41,8 @@ are cached and potentially out of date"""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")