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NFS: a couple off by ones

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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>
This commit is contained in:
Dan Carpenter 2014-12-17 02:52:26 +03:00 committed by Trond Myklebust
parent 3a7ed3fff3
commit c7c545d4a3
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/nfsroot.c
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@ -261,11 +261,11 @@ static int __init root_nfs_data(char *cmdline)
*/
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;