[PATCH] block/nfs: fix int overflow in nfs_client_open_qdict

[Peter Lieven]

nfs_client_open returns the file size in sectors. This effectively
makes it impossible to open files larger than 1TB.

Fixes: a1a42af422d46812f1f0cebe6b230c20409a3731
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
---
 block/nfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/nfs.c b/block/nfs.c
index 77905f516d..8c1968bb41 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -592,7 +592,7 @@ static int64_t nfs_client_open_qdict(NFSClient *client, 
QDict *options,
                                      int flags, int open_flags, Error **errp)
 {
     BlockdevOptionsNfs *opts;
-    int ret;
+    int64_t ret;
 
     opts = nfs_options_qdict_to_qapi(options, errp);
     if (opts == NULL) {
-- 
2.17.1