clk:at91: Fix memory leak in of_at91_clk_master_setup()

cppcheck detected following error
[clk-master.c:245]: (error) Memory leak: characteristics

The original code forgot to free characteristics when
irq_of_parse_and_map() failed.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index bd313f7816a8d9461deba6889b99415b87010467..c1af80bcdf2082c8d0d7b32e28eb9122c59ac53f 100644 (file)
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -242,7 +242,7 @@ of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc,
 
        irq = irq_of_parse_and_map(np, 0);
        if (!irq)
-               return;
+               goto out_free_characteristics;
 
        clk = at91_clk_register_master(pmc, irq, name, num_parents,
                                       parent_names, layout,