[Resolvido] Erro ao Cadastrar Imagem

Boa noite, quando vou criar anuncio aparece esse erro Warning: imagejpeg() [function.imagejpeg]: Unable to open '../midias//cliente=31-53521ecc9c5085db5be84f2cd0b0d079.jpg' for writing: Permission denied in /home/saopedro/public_html/admin/sistema/upload.php on line 9

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function Redimensionar($tmp, $name, $largura, $pasta){
 $img = imagecreatefromjpeg($tmp);
 $x = imagesx($img);
 $y = imagesy($img);
 $altura = ($largura*$y) / $x;
 $nova = imagecreatetruecolor($largura, $altura);
 imagecopyresampled($nova, $img, 0, 0, 0, 0, $largura, $altura, $x, $y);
 imagejpeg($nova, "$pasta/$name");
 imagedestroy($img);
 imagedestroy($nova);
 return($name);
}