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[79.180.2.31]) by smtp.gmail.com with ESMTPSA id z6sm3318352wmi.39.2021.02.09.01.31.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Feb 2021 01:31:25 -0800 (PST) Date: Tue, 9 Feb 2021 04:31:23 -0500 From: "Michael S. Tsirkin" To: Jason Wang Subject: Re: [PATCH] vdpa/mlx5: fix param validation in mlx5_vdpa_get_config() Message-ID: <20210209042530-mutt-send-email-mst@kernel.org> References: <20210208161741.104939-1-sgarzare@redhat.com> <20210208133312-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: Eli Cohen , virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gVHVlLCBGZWIgMDksIDIwMjEgYXQgMTE6MjQ6MDNBTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDIxLzIvOSDkuIrljYgyOjM4LCBNaWNoYWVsIFMuIFRzaXJraW4gd3JvdGU6 Cj4gPiBPbiBNb24sIEZlYiAwOCwgMjAyMSBhdCAwNToxNzo0MVBNICswMTAwLCBTdGVmYW5vIEdh cnphcmVsbGEgd3JvdGU6Cj4gPiA+IEl0J3MgbGVnYWwgdG8gaGF2ZSAnb2Zmc2V0ICsgbGVuJyBl cXVhbCB0bwo+ID4gPiBzaXplb2Yoc3RydWN0IHZpcnRpb19uZXRfY29uZmlnKSwgc2luY2UgJ25k ZXYtPmNvbmZpZycgaXMgYQo+ID4gPiAnc3RydWN0IHZpcnRpb19uZXRfY29uZmlnJywgc28gd2Ug Y2FuIHNhZmVseSBjb3B5IGl0cyBjb250ZW50IHVuZGVyCj4gPiA+IHRoaXMgY29uZGl0aW9uLgo+ ID4gPiAKPiA+ID4gRml4ZXM6IDFhODZiMzc3YWEyMSAoInZkcGEvbWx4NTogQWRkIFZEUEEgZHJp dmVyIGZvciBzdXBwb3J0ZWQgbWx4NSBkZXZpY2VzIikKPiA+ID4gQ2M6IHN0YWJsZUB2Z2VyLmtl cm5lbC5vcmcKPiA+ID4gU2lnbmVkLW9mZi1ieTogU3RlZmFubyBHYXJ6YXJlbGxhIDxzZ2FyemFy ZUByZWRoYXQuY29tPgo+ID4gPiAtLS0KPiA+ID4gICBkcml2ZXJzL3ZkcGEvbWx4NS9uZXQvbWx4 NV92bmV0LmMgfCAyICstCj4gPiA+ICAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAx IGRlbGV0aW9uKC0pCj4gPiA+IAo+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy92ZHBhL21seDUv bmV0L21seDVfdm5ldC5jIGIvZHJpdmVycy92ZHBhL21seDUvbmV0L21seDVfdm5ldC5jCj4gPiA+ IGluZGV4IGRjODg1NTlhOGQ0OS4uMTBlOWIwOTkzMmViIDEwMDY0NAo+ID4gPiAtLS0gYS9kcml2 ZXJzL3ZkcGEvbWx4NS9uZXQvbWx4NV92bmV0LmMKPiA+ID4gKysrIGIvZHJpdmVycy92ZHBhL21s eDUvbmV0L21seDVfdm5ldC5jCj4gPiA+IEBAIC0xODIwLDcgKzE4MjAsNyBAQCBzdGF0aWMgdm9p ZCBtbHg1X3ZkcGFfZ2V0X2NvbmZpZyhzdHJ1Y3QgdmRwYV9kZXZpY2UgKnZkZXYsIHVuc2lnbmVk IGludCBvZmZzZXQsCj4gPiA+ICAgCXN0cnVjdCBtbHg1X3ZkcGFfZGV2ICptdmRldiA9IHRvX212 ZGV2KHZkZXYpOwo+ID4gPiAgIAlzdHJ1Y3QgbWx4NV92ZHBhX25ldCAqbmRldiA9IHRvX21seDVf dmRwYV9uZGV2KG12ZGV2KTsKPiA+ID4gLQlpZiAob2Zmc2V0ICsgbGVuIDwgc2l6ZW9mKHN0cnVj dCB2aXJ0aW9fbmV0X2NvbmZpZykpCj4gPiA+ICsJaWYgKG9mZnNldCArIGxlbiA8PSBzaXplb2Yo c3RydWN0IHZpcnRpb19uZXRfY29uZmlnKSkKPiA+ID4gICAJCW1lbWNweShidWYsICh1OCAqKSZu ZGV2LT5jb25maWcgKyBvZmZzZXQsIGxlbik7Cj4gPiA+ICAgfQo+ID4gQWN0dWFsbHkgZmlyc3Qg SSBhbSBub3Qgc3VyZSB3ZSBuZWVkIHRoZXNlIGNoZWNrcyBhdCBhbGwuCj4gPiB2aG9zdF92ZHBh X2NvbmZpZ192YWxpZGF0ZSBhbHJlYWR5IHZhbGlkYXRlcyB0aGUgdmFsdWVzLCByaWdodD8KPiAK PiAKPiBJIHRoaW5rIHRoZXkncmUgd29ya2luZyBhdCBkaWZmZXJlbnQgbGV2ZWxzLiBUaGVyZSdz IG5vIGd1YXJhbnRlZSB0aGF0Cj4gdmhvc3QtdmRwYSBpcyB0aGUgZHJpdmVyIGZvciB0aGlzIHZk cGEgZGV2aWNlLgoKSW4gZmFjdCwgZ2V0X2NvbmZpZyByZXR1cm5zIHZvaWQsIHNvIHVzZXJzcGFj ZSBjYW4gZWFzaWx5IGdldAp0cmFzaCBpZiBpdCBwYXNzZXMgaW5jb3JyZWN0IHBhcmFtZXRlcnMg YnkgbWlzdGFrZSwgdGhlcmUgaXMKbm8gd2F5IGZvciB1c2Vyc3BhY2UgdG8gZmluZCBvdXQgd2hl dGhlciB0aGF0IGlzIHRoZSBjYXNlIDooCgpBbnkgb2JqZWN0aW9ucyB0byByZXR1cm5pbmcgdGhl ICMgb2YgYnl0ZXMgY29waWVkLCBvciAtMQpvbiBlcnJvcj8KCj4gCj4gPiAKPiA+IFNlY29uZCwg d2hhdCB3aWxsIGhhcHBlbiB3aGVuIHdlIGV4dGVuZCB0aGUgc3RydWN0IGFuZCB0aGVuCj4gPiBy dW4gbmV3IHVzZXJzcGFjZSBvbiBhbiBvbGQga2VybmVsPyBMb29rcyBsaWtlIGl0IHdpbGwganVz dAo+ID4gZmFpbCByaWdodD8gU28gd2hhdCBpcyB0aGUgcGxhbj8KPiAKPiAKPiBJbiB0aGlzIGNh c2UsIGdldF9jb25maWcoKSBzaG91bGQgbWF0Y2ggdGhlIHNwZWMgYmVoYXZpb3VyLiBUaGF0IGlz IHRvIHNheQo+IHRoZSBzaXplIG9mIGNvbmZpZyBzcGFjZSBkZXBlbmRzIG9uIHRoZSBmZWF0dXJl IG5lZ290aWF0ZWQuCj4gCj4gVGhhbmtzCgpZZXMgYnV0IHNwZWMgc2F5cyBjb25maWcgc3BhY2Ug Y2FuIGJlIGJpZ2dlciB0aGFuIHNwZWNpZmllZCBieSBmZWF0dXJlczoKCglEcml2ZXJzIE1VU1Qg Tk9UIGxpbWl0IHN0cnVjdHVyZSBzaXplIGFuZCBkZXZpY2UgY29uZmlndXJhdGlvbiBzcGFjZSBz aXplLiBJbnN0ZWFkLCBkcml2ZXJzIFNIT1VMRCBvbmx5CgljaGVjayB0aGF0IGRldmljZSBjb25m aWd1cmF0aW9uIHNwYWNlIGlzIGxhcmdlIGVub3VnaCB0byBjb250YWluIHRoZSBmaWVsZHMgbmVj ZXNzYXJ5IGZvciBkZXZpY2Ugb3BlcmF0aW9uLgoKCgo+IAo+ID4gICBJIHRoaW5rIHdlIHNob3Vs ZAo+ID4gYWxsb3cgYSBiaWdnZXIgc2l6ZSwgYW5kIHJldHVybiB0aGUgY29waWVkIGNvbmZpZyBz aXplIHRvIHVzZXJzcGFjZS4KPiA+IAo+ID4gCj4gPiA+IC0tIAo+ID4gPiAyLjI5LjIKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9u IG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpo dHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFs aXphdGlvbg==