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NFS: Handle exceptions coming out of nfs4_proc_fs_locations()

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We don't want to return -NFS4ERR_WRONGSEC to the VFS because it could
cause the kernel to oops.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Bryan Schumaker 2012-04-27 13:27:39 -04:00 committed by Trond Myklebust
parent 31e4dda474
commit db0a9593d5
1 changed files with 14 additions and 1 deletions
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15
fs/nfs/nfs4proc.c
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@ -4921,7 +4921,7 @@ static void nfs_fixup_referral_attributes(struct nfs_fattr *fattr)
fattr->nlink = 2;
}
int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
static int _nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
struct nfs4_fs_locations *fs_locations, struct page *page)
{
struct nfs_server *server = NFS_SERVER(dir);
@ -4961,6 +4961,19 @@ int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
return status;
}
int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
struct nfs4_fs_locations *fs_locations, struct page *page)
{
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(NFS_SERVER(dir),
_nfs4_proc_fs_locations(dir, name, fs_locations, page),
&exception);
} while (exception.retry);
return err;
}
static int _nfs4_proc_secinfo(struct inode *dir, const struct qstr *name, struct nfs4_secinfo_flavors *flavors)
{
int status;