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fpga: socfpga-a10: disable clk on error in socfpga_a10_fpga_probe()

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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>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Alan Tull <atull@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexey Khoroshilov 2017-12-08 11:37:00 -06:00 • committed by Greg Kroah-Hartman
parent 8d52af6795
commit d9cc5a0edb
1 changed files with 7 additions and 1 deletions
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8
drivers/fpga/socfpga-a10.c
View file

@ -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)