From 999d91b86f2c716d7b625aa7408044b16322411b Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Tue, 20 Nov 2018 10:40:33 +0100 Subject: clk: fix NULL deref without OF node in debug message of_clk_add_provider() may be called for devices added via add_generic_device(). There is no OF node in this case, leading to a crash when debug logs are enabled. This affects various i.MX CPUs, which add imx*-ccm clock devices using add_generic_device(). Signed-off-by: Matthias Schiffer Signed-off-by: Sascha Hauer --- drivers/clk/clk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/clk/clk.c') diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 24759b45bb..6a2d8ad178 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -413,7 +413,7 @@ int of_clk_add_provider(struct device_node *np, cp->get = clk_src_get; list_add(&cp->link, &of_clk_providers); - pr_debug("Added clock from %s\n", np->full_name); + pr_debug("Added clock from %s\n", np ? np->full_name : ""); return 0; } -- cgit v1.2.3