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-rw-r--r--hw/misc/ivshmem.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 848bebc..80856fd 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -1267,8 +1267,11 @@ static void ivshmem_realize(PCIDevice *dev, Error **errp)
if (s->sizearg == NULL) {
s->legacy_size = 4 << 20; /* 4 MB default */
} else {
- int64_t size = qemu_strtosz_MiB(s->sizearg, NULL);
- if (size < 0 || (size_t)size != size || !is_power_of_2(size)) {
+ int ret;
+ int64_t size;
+
+ ret = qemu_strtosz_MiB(s->sizearg, NULL, &size);
+ if (ret < 0 || (size_t)size != size || !is_power_of_2(size)) {
error_setg(errp, "Invalid size %s", s->sizearg);
return;
}