[PATCH 5/6] clk: at91: clk-system: fix error path

[David Dueck]

Do not leak memory if request_irq fails and free the irq if
clk_register fails.

Signed-off-by: David Dueck <davidcdu...@googlemail.com>
---
 drivers/clk/at91/clk-system.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c
index a76d03f..58008b3 100644
--- a/drivers/clk/at91/clk-system.c
+++ b/drivers/clk/at91/clk-system.c
@@ -130,13 +130,17 @@ at91_clk_register_system(struct at91_pmc *pmc, const char 
*name,
                irq_set_status_flags(sys->irq, IRQ_NOAUTOEN);
                ret = request_irq(sys->irq, clk_system_irq_handler,
                                IRQF_TRIGGER_HIGH, name, sys);
-               if (ret)
+               if (ret) {
+                       kfree(sys);
                        return ERR_PTR(ret);
+               }
        }
 
        clk = clk_register(NULL, &sys->hw);
-       if (IS_ERR(clk))
+       if (IS_ERR(clk)) {
+               free_irq(sys->irq, sys);
                kfree(sys);
+       }
 
        return clk;
 }
-- 
2.4.4

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