[PATCH] clk: versatile: clk-icst: use after free on error path

* [PATCH] clk: versatile: clk-icst: use after free on error path
@ 2021-11-17  7:26 Dan Carpenter
  2021-11-21 23:37 ` Linus Walleij
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Dan Carpenter @ 2021-11-17  7:26 UTC (permalink / raw)
  To: Linus Walleij, Rob Herring
  Cc: Michael Turquette, Stephen Boyd, linux-arm-kernel, linux-clk,
	kernel-janitors

This frees "name" and then tries to display in as part of the error
message on the next line.  Swap the order.

Fixes: 1b2189f3aa50 ("clk: versatile: clk-icst: Ensure clock names are unique")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
 drivers/clk/versatile/clk-icst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index d52f976dc875..d5cb372f0901 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -543,8 +543,8 @@ static void __init of_syscon_icst_setup(struct device_node *np)
 
 	regclk = icst_clk_setup(NULL, &icst_desc, name, parent_name, map, ctype);
 	if (IS_ERR(regclk)) {
-		kfree(name);
 		pr_err("error setting up syscon ICST clock %s\n", name);
+		kfree(name);
 		return;
 	}
 	of_clk_add_provider(np, of_clk_src_simple_get, regclk);
-- 
2.20.1


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