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-rw-r--r--semihosting/arm-compat-semi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/semihosting/arm-compat-semi.c b/semihosting/arm-compat-semi.c
index 9d1f13ea8b..88d6bdeaf2 100644
--- a/semihosting/arm-compat-semi.c
+++ b/semihosting/arm-compat-semi.c
@@ -290,7 +290,7 @@ static target_ulong common_semi_syscall_len;
static void common_semi_cb(CPUState *cs, target_ulong ret, target_ulong err)
{
- if (ret == (target_ulong)-1) {
+ if (err) {
#ifdef CONFIG_USER_ONLY
TaskState *ts = cs->opaque;
ts->swi_errno = err;