cifs: Fix memory leak in smb2_set_ea()

BugLink: http://bugs.launchpad.net/bugs/1808399
commit 6aa0c114eceec8cc61715f74a4ce91b048d7561c upstream.

This patch fixes a memory leak when doing a setxattr(2) in SMB2+.

Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index d521bb5b7d16d317a62d936d3f8fbe52162e7936..b20063cf774f2a6730ac92a93bd393fa651caea9 100644 (file)
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -635,6 +635,8 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
 
        rc = SMB2_set_ea(xid, tcon, fid.persistent_fid, fid.volatile_fid, ea,
                         len);
+       kfree(ea);
+
        SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
 
        return rc;