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-rw-r--r--qemu-char.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/qemu-char.c b/qemu-char.c
index 97aaaae439..270819aec3 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -2799,6 +2799,13 @@ static ssize_t tcp_chr_recv(CharDriverState *chr, char *buf, size_t len)
                                      NULL);
     }
 
+    if (ret == QIO_CHANNEL_ERR_BLOCK) {
+        errno = EAGAIN;
+        ret = -1;
+    } else if (ret == -1) {
+        errno = EIO;
+    }
+
     if (msgfds_num) {
         /* close and clean read_msgfds */
         for (i = 0; i < s->read_msgfds_num; i++) {