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Subject[PATCH 5/6] clk: at91: clk-system: fix error path
Date
Do not leak memory if request_irq fails and free the irq if
clk_register fails.

Signed-off-by: David Dueck <davidcdueck@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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