NFS: a couple off by ones
These tests are off by one because if len == sizeof(nfs_export_path)
then we have truncated the name.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index cd3c910..9bc9f04 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -261,11 +261,11 @@
*/
len = snprintf(nfs_export_path, sizeof(nfs_export_path),
tmp, utsname()->nodename);
- if (len > (int)sizeof(nfs_export_path))
+ if (len >= (int)sizeof(nfs_export_path))
goto out_devnametoolong;
len = snprintf(nfs_root_device, sizeof(nfs_root_device),
"%pI4:%s", &servaddr, nfs_export_path);
- if (len > (int)sizeof(nfs_root_device))
+ if (len >= (int)sizeof(nfs_root_device))
goto out_devnametoolong;
retval = 0;