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authorPeter Lieven <pl@kamp.de>2017-11-27 17:00:07 +0100
committerMichael Roth <mdroth@linux.vnet.ibm.com>2017-12-06 11:40:10 -0600
commit30e499bdc9ef2101e08d12ccbec5f8f692a8a70a (patch)
tree3c64fd5d7e0b68fb31b7774ea2a77d3960218c45
parente1a2a273278c5250ab08bf7d6553eda8991a5e35 (diff)
downloadqemu-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.c7
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;