arm64: zynqmp: Check return value in zynqmp_mmio_rawwrite()
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>
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c
index e122be5..1279dc8 100644
--- a/arch/arm/cpu/armv8/zynqmp/cpu.c
+++ b/arch/arm/cpu/armv8/zynqmp/cpu.c
@@ -212,8 +212,12 @@
{
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;