There should be return value check from zynqmp_mmio_read() in zynqmp_mmio_rawwrite() to make sure that errors are propagated properly.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
arch/arm/cpu/armv8/zynqmp/cpu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c index e122be59c747..1279dc8658a1 100644 --- a/arch/arm/cpu/armv8/zynqmp/cpu.c +++ b/arch/arm/cpu/armv8/zynqmp/cpu.c @@ -212,8 +212,12 @@ static int zynqmp_mmio_rawwrite(const u32 address, { u32 data; u32 value_local = value; + int ret; + + ret = zynqmp_mmio_read(address, &data); + if (ret) + return ret;
- zynqmp_mmio_read(address, &data); data &= ~mask; value_local &= mask; value_local |= data;