clk: core: Copy connection id

Some drivers use sprintf to build clk connection id names but the clk
core will save those strings and occasionally print them back. Duplicate
the con_id strings instead of fixing all the users.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 0fb39fe..67201f6 100644 (file)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2502,7 +2502,7 @@ struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
 
        clk->core = hw->core;
        clk->dev_id = dev_id;
-       clk->con_id = con_id;
+       clk->con_id = kstrdup_const(con_id, GFP_KERNEL);
        clk->max_rate = ULONG_MAX;
 
        clk_prepare_lock();
@@ -2518,6 +2518,7 @@ void __clk_free_clk(struct clk *clk)
        hlist_del(&clk->clks_node);
        clk_prepare_unlock();
 
+       kfree_const(clk->con_id);
        kfree(clk);
 }