[PULL 09/18] accel/mshv: use return value of handle_pio_str_read

[Paolo Bonzini <pbonzini@redhat.com>]

Coverity complains because we assign to ret here but
then never read it again before we overwrite it with
the call to set_x64_registers().

Analyzed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/mshv/mshv-cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/i386/mshv/mshv-cpu.c b/target/i386/mshv/mshv-cpu.c
index 1f7b9cb37ec..1c3db02188c 100644
--- a/target/i386/mshv/mshv-cpu.c
+++ b/target/i386/mshv/mshv-cpu.c
@@ -1489,6 +1489,10 @@ static int handle_pio_str(CPUState *cpu, hv_x64_io_port_intercept_message *info)
         reg_values[0] = info->rsi;
     } else {
         ret = handle_pio_str_read(cpu, info, repeat, port, direction_flag);
+        if (ret < 0) {
+            error_report("Failed to handle pio str read");
+            return -1;
+        }
         reg_names[0] = HV_X64_REGISTER_RDI;
         reg_values[0] = info->rdi;
     }
-- 
2.51.1