From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH] virtio_ring: Fix mem leak with vring_new_virtqueue() Date: Sun, 8 Mar 2020 03:58:05 -0400 Message-ID: <20200308035751-mutt-send-email-mst@kernel.org> References: <20200224212643.30672-1-s-anna@ti.com> <0ace3a3b-cf2f-7977-5337-f74f530afbe1@ti.com> <1ce2bee4-64ed-f630-2695-8e8b9b8e27c1@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" To: Suman Anna Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, "David S. Miller" List-Id: virtualization@lists.linuxfoundation.org T24gVGh1LCBNYXIgMDUsIDIwMjAgYXQgMDY6Mjc6NTNQTSAtMDYwMCwgU3VtYW4gQW5uYSB3cm90 ZToKPiBPbiAyLzI1LzIwIDk6MTMgUE0sIEphc29uIFdhbmcgd3JvdGU6Cj4gPiAKPiA+IE9uIDIw MjAvMi8yNiDkuIrljYgxMjo1MSwgU3VtYW4gQW5uYSB3cm90ZToKPiA+PiBIaSBKYXNvbiwKPiA+ Pgo+ID4+IE9uIDIvMjQvMjAgMTE6MzkgUE0sIEphc29uIFdhbmcgd3JvdGU6Cj4gPj4+IE9uIDIw MjAvMi8yNSDkuIrljYg1OjI2LCBTdW1hbiBBbm5hIHdyb3RlOgo+ID4+Pj4gVGhlIGZ1bmN0aW9u cyB2cmluZ19uZXdfdmlydHF1ZXVlKCkgYW5kIF9fdnJpbmdfbmV3X3ZpcnRxdWV1ZSgpIGFyZQo+ ID4+Pj4gdXNlZAo+ID4+Pj4gd2l0aCBzcGxpdCByaW5ncywgYW5kIGFueSBhbGxvY2F0aW9ucyB3 aXRoaW4gdGhlc2UgZnVuY3Rpb25zIGFyZQo+ID4+Pj4gbWFuYWdlZAo+ID4+Pj4gb3V0c2lkZSBv ZiB0aGUgLndlX293bl9yaW5nIGZsYWcuIFRoZSBjb21taXQgY2JlZWRiNzJiOTdhCj4gPj4+PiAo InZpcnRpb19yaW5nOgo+ID4+Pj4gYWxsb2NhdGUgZGVzYyBzdGF0ZSBmb3Igc3BsaXQgcmluZyBz ZXBhcmF0ZWx5IikgYWxsb2NhdGVzIHRoZSBkZXNjCj4gPj4+PiBzdGF0ZQo+ID4+Pj4gd2l0aGlu IHRoZSBfX3ZyaW5nX25ld192aXJ0cXVldWUoKSBidXQgZnJlZXMgaXQgb25seSB3aGVuIHRoZQo+ ID4+Pj4gLndlX293bl9yaW5nCj4gPj4+PiBmbGFnIGlzIHNldC4gVGhpcyBsZWFkcyB0byBhIG1l bW9yeSBsZWFrIHdoZW4gZnJlZWluZyBzdWNoIGFsbG9jYXRlZAo+ID4+Pj4gdmlydHF1ZXVlcyB3 aXRoIHRoZSB2cmluZ19kZWxfdmlydHF1ZXVlKCkgZnVuY3Rpb24uCj4gPj4+Pgo+ID4+Pj4gRml4 IHRoaXMgYnkgbW92aW5nIHRoZSBkZXNjX3N0YXRlIGZyZWUgY29kZSBvdXRzaWRlIHRoZSBmbGFn IGFuZCBvbmx5Cj4gPj4+PiBmb3Igc3BsaXQgcmluZ3MuIElzc3VlIHdhcyBkaXNjb3ZlcmVkIGR1 cmluZyB0ZXN0aW5nIHdpdGggcmVtb3RlcHJvYwo+ID4+Pj4gYW5kIHZpcnRpb19ycG1zZy4KPiA+ Pj4+Cj4gPj4+PiBGaXhlczogY2JlZWRiNzJiOTdhICgidmlydGlvX3Jpbmc6IGFsbG9jYXRlIGRl c2Mgc3RhdGUgZm9yIHNwbGl0IHJpbmcKPiA+Pj4+IHNlcGFyYXRlbHkiKQo+ID4+Pj4gU2lnbmVk LW9mZi1ieTogU3VtYW4gQW5uYTxzLWFubmFAdGkuY29tPgo+ID4+Pj4gLS0tCj4gPj4+PiDCoMKg IGRyaXZlcnMvdmlydGlvL3ZpcnRpb19yaW5nLmMgfCA0ICsrLS0KPiA+Pj4+IMKgwqAgMSBmaWxl IGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPiA+Pj4+Cj4gPj4+PiBk aWZmIC0tZ2l0IGEvZHJpdmVycy92aXJ0aW8vdmlydGlvX3JpbmcuYwo+ID4+Pj4gYi9kcml2ZXJz L3ZpcnRpby92aXJ0aW9fcmluZy5jCj4gPj4+PiBpbmRleCA4NjdjN2ViZDNmMTAuLjU4Yjk2YmFh OGQ0OCAxMDA2NDQKPiA+Pj4+IC0tLSBhL2RyaXZlcnMvdmlydGlvL3ZpcnRpb19yaW5nLmMKPiA+ Pj4+ICsrKyBiL2RyaXZlcnMvdmlydGlvL3ZpcnRpb19yaW5nLmMKPiA+Pj4+IEBAIC0yMjAzLDEw ICsyMjAzLDEwIEBAIHZvaWQgdnJpbmdfZGVsX3ZpcnRxdWV1ZShzdHJ1Y3QgdmlydHF1ZXVlICpf dnEpCj4gPj4+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg IHZxLT5zcGxpdC5xdWV1ZV9zaXplX2luX2J5dGVzLAo+ID4+Pj4gwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB2cS0+c3BsaXQudnJpbmcuZGVzYywKPiA+Pj4+ IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgdnEtPnNwbGl0 LnF1ZXVlX2RtYV9hZGRyKTsKPiA+Pj4+IC0KPiA+Pj4+IC3CoMKgwqDCoMKgwqDCoMKgwqDCoMKg IGtmcmVlKHZxLT5zcGxpdC5kZXNjX3N0YXRlKTsKPiA+Pj4+IMKgwqDCoMKgwqDCoMKgwqDCoMKg IH0KPiA+Pj4+IMKgwqDCoMKgwqDCoCB9Cj4gPj4+PiArwqDCoMKgIGlmICghdnEtPnBhY2tlZF9y aW5nKQo+ID4+Pj4gK8KgwqDCoMKgwqDCoMKgIGtmcmVlKHZxLT5zcGxpdC5kZXNjX3N0YXRlKTsK PiA+Pj4gTml0cGljaywgaXQgbG9va3MgdG8gbWUgaXQgd291bGQgYmUgbW9yZSBjbGVhciBpZiB3 ZSBqdXN0IGZyZWUKPiA+Pj4gZGVzY19zdGF0ZSB1bmNvbmRpdGlvbmFsbHkgaGVyZSAoYW5kIHJl bW92ZSB0aGUga2ZyZWUgZm9yIHBhY2tlZCBhYm92ZSkuCj4gPj4gT0ssIGFyZSB5b3Ugc3VyZSB5 b3Ugd2FudCB0aGF0IHRvIGJlIGZvbGRlZCBpbnRvIHRoaXMgcGF0Y2g/IEl0IGxvb2tzIHRvCj4g Pj4gbWUgYSBzZXBhcmF0ZSBjbGVhbnVwL2NvbnNvbGlkYXRpb24gcGF0Y2gsIGFuZCBwYWNrZWQg ZGVzY19zdGF0ZSBkb2VzCj4gPj4gbm90IHN1ZmZlciB0aGlzIG1lbWxlYWssIGFuZCBuZWVkIG5v dCBiZSBiYWNrcG9ydGVkIGludG8gc3RhYmxlIGtlcm5lbHMuCj4gPj4KPiA+PiByZWdhcmRzCj4g Pj4gU3VtYW4KPiA+IAo+ID4gCj4gPiBUaG91Z2ggaXQncyBqdXN0IGEgc21hbGwgdHdlYWssIEkn bSBmaW5lIGZvciBsZWF2aW5nIGl0IGZvciBmdXR1cmUuCj4gPiAKPiA+IFNvCj4gPiAKPiA+IEFj a2VkLWJ5OiBKYXNvbiBXYW5nIDxqYXNvd2FuZ0ByZWRoYXQuY29tPgo+ID4gCj4gCj4gTWlrZSwK PiBQaW5nIG9uIHRoaXMuIEkgZG9uJ3Qgc2VlIHRoZSBwYXRjaCBpbiAtbmV4dCB5ZXQuIENhbiB3 ZSBnZXQgdGhpcyBpbnRvCj4gdGhlIGN1cnJlbnQgLXJjIHBsZWFzZT8KPiAKPiByZWdhcmRzCj4g U3VtYW4KClllcyB3aWxsIHF1ZXVlIGl0IHNob3J0bHksIHRoYW5rcyEKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcg bGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xp c3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==