From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb: typec: tps6598x: Remove VLA usage From: Heikki Krogerus Message-Id: <20180625144412.GB16601@kuha.fi.intel.com> Date: Mon, 25 Jun 2018 17:44:12 +0300 To: Kees Cook Cc: Greg Kroah-Hartman , LKML , linux-usb@vger.kernel.org List-ID: T24gVGh1LCBKdW4gMjEsIDIwMTggYXQgMDE6MzE6MjNQTSAtMDcwMCwgS2VlcyBDb29rIHdyb3Rl Ogo+IE9uIFRodSwgSnVuIDIxLCAyMDE4IGF0IDM6MDAgQU0sIEhlaWtraSBLcm9nZXJ1cwo+IDxo ZWlra2kua3JvZ2VydXNAbGludXguaW50ZWwuY29tPiB3cm90ZToKPiA+IE9uIFdlZCwgSnVuIDIw LCAyMDE4IGF0IDExOjI4OjQwQU0gLTA3MDAsIEtlZXMgQ29vayB3cm90ZToKPiA+PiBJbiB0aGUg cXVlc3QgdG8gcmVtb3ZlIGFsbCBzdGFjayBWTEEgdXNhZ2UgZnJvbSB0aGUga2VybmVsWzFdLCB0 aGlzCj4gPj4gdXNlcyB0aGUgbWF4aW11bSBidWZmZXIgc2l6ZSBhbmQgYWRkcyBhIHNhbml0eSBj aGVjay4KPiA+Pgo+ID4+IFsxXSBodHRwczovL2xrbWwua2VybmVsLm9yZy9yL0NBKzU1YUZ6Q0ct ek5tWndYNEEyRlFwYWRhZkxmRXpLNkNDPXFQWHlkQWFjVTFScVpXQUBtYWlsLmdtYWlsLmNvbQo+ ID4+Cj4gPj4gU2lnbmVkLW9mZi1ieTogS2VlcyBDb29rIDxrZWVzY29va0BjaHJvbWl1bS5vcmc+ Cj4gPj4gLS0tCj4gPj4gIGRyaXZlcnMvdXNiL3R5cGVjL3RwczY1OTh4LmMgfCA3ICsrKysrKy0K PiA+PiAgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+ID4+ Cj4gPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL3R5cGVjL3RwczY1OTh4LmMgYi9kcml2ZXJz L3VzYi90eXBlYy90cHM2NTk4eC5jCj4gPj4gaW5kZXggNGI0YzhkMjcxYjI3Li4zOTYxOTNmODVl NmQgMTAwNjQ0Cj4gPj4gLS0tIGEvZHJpdmVycy91c2IvdHlwZWMvdHBzNjU5OHguYwo+ID4+ICsr KyBiL2RyaXZlcnMvdXNiL3R5cGVjL3RwczY1OTh4LmMKPiA+PiBAQCAtODEsMTIgKzgxLDE3IEBA IHN0cnVjdCB0cHM2NTk4eCB7Cj4gPj4gICAgICAgc3RydWN0IHR5cGVjX2NhcGFiaWxpdHkgdHlw ZWNfY2FwOwo+ID4+ICB9Owo+ID4+Cj4gPj4gKyNkZWZpbmUgVFBTX01BWF9MRU4gIHNpemVvZih1 NjQpCj4gPgo+ID4gVGhhdCBpcyBub3QgYmlnIGVub3VnaC4gVGhlIHJlZ2lzdGVycyBvZiB0aGlz IGNoaXAgY2FuIGJlIGFzIGJpZyBhcyA2NAo+ID4gYnl0ZXMuIFRoZSBpZGVudGl0eSByZWdpc3Rl ciBhbG9uZSBpcyAyNSBieXRlcywgc28gdGhlIGFib3ZlIHdvdWxkCj4gPiBtYWtlIHRoZSBkcml2 ZXIgZmFpbCBxdWl0ZSBmYXN0LiBDYW4geW91IHNldCB0aGUgbWF4aW11bSB0byA2ND8KPiA+Cj4g PiAjZGVmaW5lIFRQU19NQVhfTEVOICAgICA2NAo+IAo+IE9vcHMhIFllcywgdGhhbmtzLCBJIG1p c3NlZCB0aGlzIHVzYWdlOgo+IAo+ICAgICAgICAgc3RydWN0IHRwczY1OTh4X3J4X2lkZW50aXR5 X3JlZyBpZDsKPiAuLi4KPiAgICAgICAgIHJldCA9IHRwczY1OTh4X2Jsb2NrX3JlYWQodHBzLCBU UFNfUkVHX1JYX0lERU5USVRZX1NPUCwKPiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgJmlkLCBzaXplb2YoaWQpKTsKPiAKPiBzdHJ1Y3QgdHBzNjU5OHhfcnhfaWRlbnRpdHlfcmVn IHsKPiAgICAgICAgIHU4ICAgICAgICAgICAgICAgICAgICAgICAgIHN0YXR1czsgICAgICAgICAg ICAgICAvKiAgICAgMCAgICAgMSAqLwo+ICAgICAgICAgc3RydWN0IHVzYl9wZF9pZGVudGl0eSAg ICAgaWRlbnRpdHk7ICAgICAgICAgICAgIC8qICAgICAxICAgIDEyICovCj4gICAgICAgICB1MzIg ICAgICAgICAgICAgICAgICAgICAgICB2ZG9bM107ICAgICAgICAgICAgICAgLyogICAgMTMgICAg MTIgKi8KPiAKPiAgICAgICAgIC8qIHNpemU6IDI1LCBjYWNoZWxpbmVzOiAxLCBtZW1iZXJzOiAz ICovCj4gICAgICAgICAvKiBsYXN0IGNhY2hlbGluZTogMjUgYnl0ZXMgKi8KPiB9Owo+IAo+IEJ1 dCB0aGF0J3Mgc3RpbGwgb25seSAyNSBieXRlcy4gV2hlcmUgaXMgdGhlIDY0PyBJIHNlZSB0aGVz ZToKPiAKPiAgICByZXR1cm4gdHBzNjU5OHhfYmxvY2tfcmVhZCh0cHMsIHJlZywgdmFsLCBzaXpl b2YodTE2KSk7Cj4gICAgcmV0dXJuIHRwczY1OTh4X2Jsb2NrX3JlYWQodHBzLCByZWcsIHZhbCwg c2l6ZW9mKHUzMikpOwo+ICAgIHJldHVybiB0cHM2NTk4eF9ibG9ja19yZWFkKHRwcywgcmVnLCB2 YWwsIHNpemVvZih1NjQpKTsKPiAgICByZXQgPSB0cHM2NTk4eF9ibG9ja19yZWFkKHRwcywgVFBT X1JFR19SWF9JREVOVElUWV9TT1AsCj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAmaWQs IHNpemVvZihpZCkpOwo+ICAgICAgICAgICAgcmV0ID0gdHBzNjU5OHhfYmxvY2tfcmVhZCh0cHMs IFRQU19SRUdfREFUQTEsCj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIG91 dF9kYXRhLCBvdXRfbGVuKTsKPiAgICAgICAgICAgIHJldCA9IHRwczY1OTh4X2Jsb2NrX3JlYWQo dHBzLCBUUFNfUkVHX0RBVEExLCAmdmFsLCBzaXplb2YodTgpKTsKPiAKPiAxLCAyLCA0LCA4LCAy NSwgYW5kICJvdXRfbGVuIiBpbiB0cHM2NTk4eF9leGVjX2NtZCgpLCB3aGljaCBpcyBhbHdheXMg emVybzoKPiAKPiAgICByZXQgPSB0cHM2NTk4eF9leGVjX2NtZCh0cHMsIGNtZCwgMCwgTlVMTCwg MCwgTlVMTCk7Cj4gICAgcmV0ID0gdHBzNjU5OHhfZXhlY19jbWQodHBzLCBjbWQsIDAsIE5VTEws IDAsIE5VTEwpOwo+IAo+IEkgY2xlYXJseSBuZWVkIGEgdjIgb2YgdGhpcyBwYXRjaCwgYnV0IEkg anVzdCB3YW50IHRvIG1ha2Ugc3VyZSBJIGdldAo+IHRoZSByaWdodCB2YWx1ZS4gOikKCjY0IGlz IHRoZSBtYXggTm8uIERhdGEgQnl0ZXMgYXQgbGVhc3QgZm9yIHRoZSBEYXRhMSBhbmQgRGF0YTIK cmVnaXN0ZXJzLCBhbmQgaXQgc2VlbXMgZm9yIGZldyBvdGhlciByZWdpc3RlcnMgYXMgd2VsbCBb MV0gKGNoLgoxLjMuMikuIEJ1dCBJIGRvbid0IG1pbmQgaWYgeW91IHN0aWxsIHByZWZlciB0byB1 c2UgMjUgYXMgdGhlIHZhbHVlLgpJJ20gaGFwcHkgYXMgbG9uZyBhcyB3ZSBkb24ndCBicmVhayB0 aGUgZHJpdmVyIDotKQoKWzFdIGh0dHA6Ly93d3cudGkuY29tL2xpdC91Zy9zbHZ1YW4xYS9zbHZ1 YW4xYS5wZGYKCgpUaGFua3MsCg==