clk: at91: system: don't try to free_irq when there is no IRQ
authorAlexandre Belloni <alexandre.belloni@free-electrons.com>
Fri, 11 Sep 2015 14:34:07 +0000 (16:34 +0200)
committerStephen Boyd <sboyd@codeaurora.org>
Wed, 16 Sep 2015 22:22:22 +0000 (15:22 -0700)
commita97cea2a5cfb1e66716226ea258251317acd8ffe
tree3cab7180eabda73ca2beb449ae642d5577c61861
parentde661d002229c6c02e99e242fd5fc1f1da2fbe3b
clk: at91: system: don't try to free_irq when there is no IRQ

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>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/at91/clk-system.c