diff options
| author | Steve French <smfrench@gmail.com> | 2014-09-14 23:27:09 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-10-05 14:52:17 -0700 |
| commit | d51afb094e833d28085f2a6c35b179260d981bb2 (patch) | |
| tree | d8c2a9385df8621eb0b55e1f7a4ef6f7296fad14 /fs/cifs | |
| parent | 8e3006d02b46a722729a3bbd6a774eae99c6c8b8 (diff) | |
| download | lwn-d51afb094e833d28085f2a6c35b179260d981bb2.tar.gz lwn-d51afb094e833d28085f2a6c35b179260d981bb2.zip | |
SMB3: Fix oops when creating symlinks on smb3
commit da80659d4aa758dc6935b10ec64513f0b67bc969 upstream.
We were not checking for symlink support properly for SMB2/SMB3
mounts so could oops when mounted with mfsymlinks when try
to create symlink when mfsymlinks on smb2/smb3 mounts
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/link.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 68559fd557fb..a5c2812ead68 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -213,8 +213,12 @@ create_mf_symlink(const unsigned int xid, struct cifs_tcon *tcon, if (rc) goto out; - rc = tcon->ses->server->ops->create_mf_symlink(xid, tcon, cifs_sb, - fromName, buf, &bytes_written); + if (tcon->ses->server->ops->create_mf_symlink) + rc = tcon->ses->server->ops->create_mf_symlink(xid, tcon, + cifs_sb, fromName, buf, &bytes_written); + else + rc = -EOPNOTSUPP; + if (rc) goto out; |