3.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Steve French <smfrench@xxxxxxxxx> 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@xxxxxxxxx> CC: Sachin Prabhu <sprabhu@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/cifs/link.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -213,8 +213,12 @@ create_mf_symlink(const unsigned int xid 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; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html