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 13:41:04 -0700 |
| commit | c804c77070b537e86e5ecc0dae7df80a1561be67 (patch) | |
| tree | 4a164226f18e5e092963a76e5a3d51e6b3d7c365 /fs | |
| parent | 1a77f346b0566094bf482a69ed7d6055d03cc572 (diff) | |
| download | lwn-c804c77070b537e86e5ecc0dae7df80a1561be67.tar.gz lwn-c804c77070b537e86e5ecc0dae7df80a1561be67.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')
| -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; |