linux-user: Fix incorrect use of host errno in do_ioctl_dm()

do_ioctl_dm() should return target errno values, not host ones;
correct an accidental use of a host errno in an error path.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6630f74a16..3a5bf33815 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5027,7 +5027,7 @@ static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd,
 
     guest_data = arg + host_dm->data_start;
     if ((guest_data - arg) < 0) {
-        ret = -EINVAL;
+        ret = -TARGET_EINVAL;
         goto out;
     }
     guest_data_size = host_dm->data_size - host_dm->data_start;