Problema ao salva determinada imagem

Então pessoal esto com um probleminha aki neste código, pois quando vou salva imagem de um determinado site não da, aparecer um erro, mas fora alguns site a imagem e salva corretamente.

Esse é a imagem que esta dando problema pra salva: http://s.glbimg.com/po/tt/f/original/2013/07/31/battlefield-4-windows-8-xbox-one.jpg

Quando vo salva esta imagem aparecer este erro aki:

PHP Warning: imagecreatefromjpeg() [<a href='function.imagecreatefromjpeg'>function.imagecreatefromjpeg</a>]: gd-jpeg: JPEG library reports unrecoverable error: in E:\home\site\Web\site\editar.php on line 369
PHP Warning: imagecreatefromjpeg() [<a href='function.imagecreatefromjpeg'>function.imagecreatefromjpeg</a>]: '../thumb/battlefield-4-windows-8-xbox-one.jpg' is not a valid JPEG file in E:\home\site\Web\site\editar.php on line 369

PHP Warning: imagesx(): supplied argument is not a valid Image resource in E:\home\site\Web\site\editar.php on line 247 PHP Warning: imagesy(): supplied argument is not a valid Image resource in E:\home\site\Web\site\editar.php line 249 PHP Warning: Division by zero in E:\home\site\Web\site\editar.php on line 251 PHP Warning: imagecreatetruecolor() [<a href='function.imagecreatetruecolor'>function.imagecreatetruecolor</a>]: Invalid image dimensions in E:\home\site\Web\site\editar.php on line 277 PHP Warning: imagecopyresampled(): supplied argument is not a valid Image resource in E:\home\site\Web\site\editar.php on line 279 Aki é o código pra salva imagem:

function resize_relative( $image, $new_width, $new_height )
{

$new_width = ( int ) $new_width;
 $new_height = ( int ) $new_height;
 $old_width = imagesx( $image );
 $old_height = imagesy( $image );
 $ratio_orig = ( $old_width / $old_height );

 if( $new_width / $new_height > $ratio_orig )
 {
 $dif_w = ( $new_height * $ratio_orig );
 $dif_h = $new_height;
 }
 else
 {
 $dif_w = $new_width;
 $dif_h = ( $new_width / $ratio_orig );
 }

 $img = imagecreatetruecolor( $dif_w, $dif_h );
 imagecopyresampled( $img, $image, 0, 0, 0, 0, $dif_w, $dif_h, $old_width, $old_height );

 return $img;
}

$url_salva = 'http://s.glbimg.com/po/tt/f/original/2013/07/31/battlefield-4-windows-8-xbox-one.jpg';

$ch = curl_init( $url_salva );
curl_setopt( $ch, CURLOPT_HEADER, false );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt( $ch, CURLOPT_BINARYTRANSFER, true );
$image = curl_exec( $ch );
curl_close( $ch );

$dir = '../thumb/';
$filename = $dir . pathinfo( $url_salva, PATHINFO_BASENAME );

$fp = fopen( $filename, 'w' );
fwrite( $fp, $image );
fclose( $fp );
$new_width = 170;
$new_height = 100;

if(pathinfo( $filename, PATHINFO_EXTENSION ) == 'gif'){
$image = resize_relative( imagecreatefromgif( $filename ), $new_width, $new_height );
}elseif(pathinfo( $filename, PATHINFO_EXTENSION ) == 'png'){
$image = resize_relative( imagecreatefrompng( $filename ), $new_width, $new_height );
}else{

$image = resize_relative( imagecreatefromjpeg( $filename ), $new_width, $new_height );
}

$new_dir = '../thumb/';
$new_name = "thumb_$id_a_editar";
$ext = pathinfo($filename, PATHINFO_EXTENSION);
$thumb_name = "thumb_$id_a_editar.$ext";
$filename = $new_dir . $new_name . '.' . pathinfo( $filename, PATHINFO_EXTENSION );

@imagejpeg( $image, $filename, 100 );

Pessoal espero que vocês possa resolver este problema, mas se a imagem não pode salvar, que gere uma mensagem de erro. Agradeço!