diff options
| author | Steve French <smfrench@gmail.com> | 2014-09-14 23:27:09 -0500 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2014-09-15 03:04:50 -0500 |
| commit | da80659d4aa758dc6935b10ec64513f0b67bc969 (patch) | |
| tree | 0ed0b999b3330a489c6c2b6b0c118c3b305d0c5f /fs/cifs/link.c | |
| parent | 2ae83bf93882d1ec0cd775c489bd1bee611f792e (diff) | |
| download | linux-da80659d4aa758dc6935b10ec64513f0b67bc969.tar.bz2 | |
[SMB3] Fix oops when creating symlinks on smb3
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: <stable@vger.kernel.org> # 3.14+
CC: Sachin Prabhu <sprabhu@redhat.com>
Diffstat (limited to 'fs/cifs/link.c')
| -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; |