Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [PATCH 02/16] clk: at91: system: don't try to free_irq when there is no IRQ | Date | Wed, 30 Sep 2015 18:10:55 +0200 |
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In the error path of at91_clk_register_system(), sys->irq is freed unconditionally but it may not exist or be request at all.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- drivers/clk/at91/clk-system.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c index 58008b3e8bc1..3f5314344286 100644 --- a/drivers/clk/at91/clk-system.c +++ b/drivers/clk/at91/clk-system.c @@ -138,7 +138,8 @@ at91_clk_register_system(struct at91_pmc *pmc, const char *name, clk = clk_register(NULL, &sys->hw); if (IS_ERR(clk)) { - free_irq(sys->irq, sys); + if (irq) + free_irq(sys->irq, sys); kfree(sys); } -- 2.1.4
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