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authorBryan Schumaker <bjschuma@netapp.com>2012-04-27 13:27:39 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-04-27 14:10:01 -0400
commitdb0a9593d52f935c80085d8993bdcead1ad30b0c (patch)
treee0ca32d8d4366042479cb2a87d6fe87998a9849f /fs
parent31e4dda4747713de13889f7c79c7aec341fea61b (diff)
downloadop-kernel-dev-db0a9593d52f935c80085d8993bdcead1ad30b0c.zip
op-kernel-dev-db0a9593d52f935c80085d8993bdcead1ad30b0c.tar.gz
NFS: Handle exceptions coming out of nfs4_proc_fs_locations()
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4proc.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 2ce0698..ff7571f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -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;
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