Messages in this thread Patch in this message | | | From | Alexey Khoroshilov <> | Subject | [PATCH] fpga: socfpga-a10: disable clk on error in socfpga_a10_fpga_probe() | Date | Fri, 1 Dec 2017 23:26:24 +0300 |
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If fpga_mgr_register() fails, a clock is left undisabled.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> --- drivers/fpga/socfpga-a10.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/fpga/socfpga-a10.c b/drivers/fpga/socfpga-a10.c index f8770af0f6b5..a46e343a5b72 100644 --- a/drivers/fpga/socfpga-a10.c +++ b/drivers/fpga/socfpga-a10.c @@ -519,8 +519,14 @@ static int socfpga_a10_fpga_probe(struct platform_device *pdev) return -EBUSY; } - return fpga_mgr_register(dev, "SoCFPGA Arria10 FPGA Manager", + ret = fpga_mgr_register(dev, "SoCFPGA Arria10 FPGA Manager", &socfpga_a10_fpga_mgr_ops, priv); + if (ret) { + clk_disable_unprepare(priv->clk); + return ret; + } + + return 0; } static int socfpga_a10_fpga_remove(struct platform_device *pdev) -- 2.7.4
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