X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=posix-aio-compat.c;fp=posix-aio-compat.c;h=e9fc9fa60a1d26aabac3f9222ff5940e13a3ade0;hb=a03c3bde4e288e790eccfb8cd45abd8ecbf467dc;hp=c7fdac70b40b6cb50a0d4b2e7a9b4e62ab792d21;hpb=e2ffa1bf065fa199f27d661d495573e9d6059bf1;p=qemu

diff --git a/posix-aio-compat.c b/posix-aio-compat.c
index c7fdac7..e9fc9fa 100644
--- a/posix-aio-compat.c
+++ b/posix-aio-compat.c
@@ -90,7 +90,16 @@ static size_t handle_aiocb_ioctl(struct qemu_paiocb *aiocb)
 	ret = ioctl(aiocb->aio_fildes, aiocb->aio_ioctl_cmd, aiocb->aio_ioctl_buf);
 	if (ret == -1)
 		return -errno;
-	return ret;
+
+	/*
+	 * This looks weird, but the aio code only consideres a request
+	 * successfull if it has written the number full number of bytes.
+	 *
+	 * Now we overload aio_nbytes as aio_ioctl_cmd for the ioctl command,
+	 * so in fact we return the ioctl command here to make posix_aio_read()
+	 * happy..
+	 */
+	return aiocb->aio_nbytes;
 }
 
 #ifdef HAVE_PREADV