diff options
author | Peter Lieven <pl@kamp.de> | 2017-11-27 17:00:07 +0100 |
---|---|---|
committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2017-12-06 11:40:10 -0600 |
commit | 30e499bdc9ef2101e08d12ccbec5f8f692a8a70a (patch) | |
tree | 3c64fd5d7e0b68fb31b7774ea2a77d3960218c45 | |
parent | e1a2a273278c5250ab08bf7d6553eda8991a5e35 (diff) | |
download | qemu-30e499bdc9ef2101e08d12ccbec5f8f692a8a70a.tar.gz |
block/nfs: fix nfs_client_open for filesize greater than 1TB
DIV_ROUND_UP(st.st_size, BDRV_SECTOR_SIZE) was overflowing ret (int) if
st.st_size is greater than 1TB.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-id: 1511798407-31129-1-git-send-email-pl@kamp.de
Signed-off-by: Max Reitz <mreitz@redhat.com>
(cherry picked from commit f1a7ff770f7d71ee7833ff019aac9d6cc3d13f71)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r-- | block/nfs.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/block/nfs.c b/block/nfs.c index bec16b72a6..addea26d56 100644 --- a/block/nfs.c +++ b/block/nfs.c @@ -1,7 +1,7 @@ /* * QEMU Block driver for native access to files on NFS shares * - * Copyright (c) 2014-2016 Peter Lieven <pl@kamp.de> + * Copyright (c) 2014-2017 Peter Lieven <pl@kamp.de> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -496,7 +496,7 @@ out: static int64_t nfs_client_open(NFSClient *client, QDict *options, int flags, int open_flags, Error **errp) { - int ret = -EINVAL; + int64_t ret = -EINVAL; QemuOpts *opts = NULL; Error *local_err = NULL; struct stat st; @@ -686,8 +686,7 @@ static QemuOptsList nfs_create_opts = { static int nfs_file_create(const char *url, QemuOpts *opts, Error **errp) { - int ret = 0; - int64_t total_size = 0; + int64_t ret, total_size; NFSClient *client = g_new0(NFSClient, 1); QDict *options = NULL; |