From: Stefan Berger <stefanb@us.ibm.com>
Date: Wed, 6 Apr 2016 00:21:50 +0000 (-0400)
Subject: tpm: Fix write to file descriptor function
X-Git-Tag: qemu-xen-4.8.0-rc1~321^2~1
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=e7658fcc4c29a29c578acde26f7714023b93b46e;p=qemu-xen.git

tpm: Fix write to file descriptor function

Fix a bug introduced in commit 46f296c while moving send_all to the
tpm_passthrough code. Fix the name of the variable used in the loop.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index e98efb709e..e88c0d20bc 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -86,7 +86,7 @@ static int tpm_passthrough_unix_write(int fd, const uint8_t *buf, uint32_t len)
     int ret, remain;
 
     remain = len;
-    while (len > 0) {
+    while (remain > 0) {
         ret = write(fd, buf, remain);
         if (ret < 0) {
             if (errno != EINTR && errno != EAGAIN) {