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| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2017-12-08 11:37:00 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-18 15:59:16 +0100 |
| commit | d9cc5a0edb705ced4ce91b4c6ee73ec6f5bfa49a (patch) | |
| tree | ef9dc53ec47e5fa5217452238857d4b6bc9263e2 /drivers/fpga/socfpga-a10.c | |
| parent | 8d52af6795c0480a20272159103976a893603fde (diff) | |
| download | linux-0-day-d9cc5a0edb705ced4ce91b4c6ee73ec6f5bfa49a.tar.gz linux-0-day-d9cc5a0edb705ced4ce91b4c6ee73ec6f5bfa49a.tar.xz | |
fpga: socfpga-a10: disable clk on error in socfpga_a10_fpga_probe()
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>
Diffstat (limited to 'drivers/fpga/socfpga-a10.c')
| -rw-r--r-- | drivers/fpga/socfpga-a10.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/fpga/socfpga-a10.c b/drivers/fpga/socfpga-a10.c index f8770af0f6b51..a46e343a5b723 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) |