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b=AdhYBi04g2Qg9LTs2O+2XUaB4NuEQ6mmKE8Pn5mgMBKmFuR0XyMlkKJXGGpGzCqxJ lUsf0TsUjT3YfNnfHc5uHxa3F+ikAhbvlbSKWJT3vD4IHXs2yGWhX5x1ZYcmoN27Ht 4yi4jTd8GoevXhBfh8gn6PLEfgvjqQO6nCN5IBBGOE/27ehPYEaVOmxlhl/Xjop4J/ u2jvhYI5QQWTvF9sUT0ZsUqwY7ONrTmRVKiRBOumAq/E0k/QfhxMTUtVcGaN6RYZu1 KGsBWERn+kdZHs/wbdnJmEY8tTy4QsQMFGFUIAoQVi6PldcoJBMjulsYv/2+1nFgjE ZGWwZiBkHBGXQ== Message-ID: <2a892e71-f1be-41eb-5397-87484db7d592@collabora.com> Date: Thu, 1 Jun 2023 16:08:13 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v2] media: verisilicon: Fix crash when probing encoder Content-Language: en-US To: Michael Tretter , ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, mchehab@kernel.org, m.szyprowski@samsung.com, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, kernel@pengutronix.de, nicolas.dufresne@collabora.com, didi.debian@cknow.org, hverkuil-cisco@xs4all.nl References: <20230413104756.356695-1-benjamin.gaignard@collabora.com> <20230601132749.GA31313@pengutronix.de> From: Benjamin Gaignard In-Reply-To: <20230601132749.GA31313@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230601_070819_478857_7DAE89C8 X-CRM114-Status: GOOD ( 20.99 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org CkxlIDAxLzA2LzIwMjMgw6AgMTU6MjcsIE1pY2hhZWwgVHJldHRlciBhIMOpY3JpdMKgOgo+IEhp IEJlbmphbWluLAo+Cj4gT24gVGh1LCAxMyBBcHIgMjAyMyAxMjo0Nzo1NiArMDIwMCwgQmVuamFt aW4gR2FpZ25hcmQgd3JvdGU6Cj4+IGN0eC0+dnB1X2RzdF9mbXQgaXMgbm8gbW9yZSBpbml0aWFs aXplZCBiZWZvcmUgY2FsbGluZyBoYW50cm9fdHJ5X2ZtdCgpCj4+IHNvIGFzc2lnbmUgaXQgdG8g dnB1X2ZtdCBsZWQgdG8gY3Jhc2ggdGhlIGtlcm5lbC4KPj4gTGlrZSBmb3IgZGVjb2RlciBjYXNl IHVzZSAnZm10JyBhcyBmb3JtYXQgZm9yIGVuY29kZXIgYW5kIGNsZWFuIHVwCj4+IHRoZSBjb2Rl Lgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBCZW5qYW1pbiBHYWlnbmFyZCA8YmVuamFtaW4uZ2FpZ25h cmRAY29sbGFib3JhLmNvbT4KPj4gVGVzdGVkLWJ5OiBNYXJlayBTenlwcm93c2tpIDxtLnN6eXBy b3dza2lAc2Ftc3VuZy5jb20+Cj4+IEZpeGVzOiBkYjZmNjhiNTFlNWMgKCJtZWRpYTogdmVyaXNp bGljb246IERvIG5vdCBzZXQgY29udGV4dCBzcmMvZHN0IGZvcm1hdHMgaW4gcmVzZXQgZnVuY3Rp b25zIikKPj4gLS0tCj4+IHZlcnNpb24gMjoKPj4gLSBSZW1vdmUgdXNlbGVzcyB2cHVfZm10Lgo+ Pgo+PiAgIGRyaXZlcnMvbWVkaWEvcGxhdGZvcm0vdmVyaXNpbGljb24vaGFudHJvX3Y0bDIuYyB8 IDEwICsrKy0tLS0tLS0KPj4gICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCA3IGRl bGV0aW9ucygtKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS92ZXJp c2lsaWNvbi9oYW50cm9fdjRsMi5jIGIvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS92ZXJpc2lsaWNv bi9oYW50cm9fdjRsMi5jCj4+IGluZGV4IDhmMTQxNDA4NWY0Ny4uZDcxZjc5NDcxMzk2IDEwMDY0 NAo+PiAtLS0gYS9kcml2ZXJzL21lZGlhL3BsYXRmb3JtL3ZlcmlzaWxpY29uL2hhbnRyb192NGwy LmMKPj4gKysrIGIvZHJpdmVycy9tZWRpYS9wbGF0Zm9ybS92ZXJpc2lsaWNvbi9oYW50cm9fdjRs Mi5jCj4+IEBAIC0yNzUsNyArMjc1LDcgQEAgc3RhdGljIGludCBoYW50cm9fdHJ5X2ZtdChjb25z dCBzdHJ1Y3QgaGFudHJvX2N0eCAqY3R4LAo+PiAgIAkJCSAgc3RydWN0IHY0bDJfcGl4X2Zvcm1h dF9tcGxhbmUgKnBpeF9tcCwKPj4gICAJCQkgIGVudW0gdjRsMl9idWZfdHlwZSB0eXBlKQo+PiAg IHsKPj4gLQljb25zdCBzdHJ1Y3QgaGFudHJvX2ZtdCAqZm10LCAqdnB1X2ZtdDsKPj4gKwljb25z dCBzdHJ1Y3QgaGFudHJvX2ZtdCAqZm10Owo+PiAgIAlib29sIGNhcHR1cmUgPSBWNEwyX1RZUEVf SVNfQ0FQVFVSRSh0eXBlKTsKPj4gICAJYm9vbCBjb2RlZDsKPj4gICAKPj4gQEAgLTI5NSwxMSAr Mjk1LDcgQEAgc3RhdGljIGludCBoYW50cm9fdHJ5X2ZtdChjb25zdCBzdHJ1Y3QgaGFudHJvX2N0 eCAqY3R4LAo+PiAgIAo+PiAgIAlpZiAoY29kZWQpIHsKPj4gICAJCXBpeF9tcC0+bnVtX3BsYW5l cyA9IDE7Cj4+IC0JCXZwdV9mbXQgPSBmbXQ7Cj4+IC0JfSBlbHNlIGlmIChjdHgtPmlzX2VuY29k ZXIpIHsKPj4gLQkJdnB1X2ZtdCA9IGN0eC0+dnB1X2RzdF9mbXQ7Cj4+IC0JfSBlbHNlIHsKPj4g LQkJdnB1X2ZtdCA9IGZtdDsKPj4gKwl9IGVsc2UgaWYgKCFjdHgtPmlzX2VuY29kZXIpIHsKPj4g ICAJCS8qCj4+ICAgCQkgKiBXaWR0aC9oZWlnaHQgb24gdGhlIENBUFRVUkUgZW5kIG9mIGEgZGVj b2RlciBhcmUgaWdub3JlZCBhbmQKPj4gICAJCSAqIHJlcGxhY2VkIGJ5IHRoZSBPVVRQVVQgb25l cy4KPj4gQEAgLTMxMSw3ICszMDcsNyBAQCBzdGF0aWMgaW50IGhhbnRyb190cnlfZm10KGNvbnN0 IHN0cnVjdCBoYW50cm9fY3R4ICpjdHgsCj4+ICAgCXBpeF9tcC0+ZmllbGQgPSBWNEwyX0ZJRUxE X05PTkU7Cj4+ICAgCj4+ICAgCXY0bDJfYXBwbHlfZnJtc2l6ZV9jb25zdHJhaW50cygmcGl4X21w LT53aWR0aCwgJnBpeF9tcC0+aGVpZ2h0LAo+PiAtCQkJCSAgICAgICAmdnB1X2ZtdC0+ZnJtc2l6 ZSk7Cj4+ICsJCQkJICAgICAgICZmbXQtPmZybXNpemUpOwo+IFRoaXMgY2F1c2VzIGEgcmVncmVz c2lvbiBvbiB0aGUgT1VUUFVUIGRldmljZSBvZiB0aGUgZW5jb2Rlci4gZm10LT5mcm1zaXplIGlz Cj4gb25seSB2YWxpZCBmb3IgY29kZWQgKCJiaXRzdHJlYW0iKSBmb3JtYXRzLCBidXQgZm10IG9u IHRoZSBPVVRQVVQgb2YgYW4KPiBlbmNvZGVyIHdpbGwgYmUgYSByYXcgZm9ybWF0LiBUaGlzIHJl c3VsdHMgaW4gd2lkdGggYW5kIGhlaWdodCB0byBiZSBjbGFtcGVkCj4gdG8gMC4KPgo+IEkgdGhp bmsgdGhlIGNvcnJlY3QgZml4IHdvdWxkIGJlIHRvIGFwcGx5IHRoZSBmcm1zaXplIGNvbnN0cmFp bnRzIG9mIHRoZQo+IGN1cnJlbnRseSBjb25maWd1cmVkIGNvZGVkIGZvcm1hdCwgYnV0IGFzIGN0 eC0+dnB1X2RzdF9mbXQgaXMgbm90IGluaXRpYWxpemVkCj4gYmVmb3JlIGNhbGxpbmcgdGhpcyBj b2RlLCBJIGRvbid0IGtub3cgaG93IHRvIGdldCB0aGUgY29kZWQgZm9ybWF0LgoKaWYgY3R4LT5k c3RfZm10IGlzIGNvcnJlY3RseSBzZXQgKGFuZCBpdCBzaG91bGQgYmUpIHRoZW4gZG9pbmc6Cgpw aXhfbXAtPndpZHRoID0gY3R4LT5kc3RfZm10LndpZHRoOwpwaXhfbXAtPmhlaWdodCA9IGN0eC0+ ZHN0X2ZtdC5oZWlnaHQ7CgpzaG91bGQgc29sdmUgdGhlIGlzc3VlLgoKQmVuamFtaW4KCj4KPiBN aWNoYWVsCj4KPj4gICAKPj4gICAJaWYgKCFjb2RlZCkgewo+PiAgIAkJLyogRmlsbCByZW1haW5p bmcgZmllbGRzICovCj4+IC0tIAo+PiAyLjM0LjEKPj4KCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4LXJvY2tjaGlwIG1haWxpbmcgbGlzdApMaW51 eC1yb2NrY2hpcEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3Jn L21haWxtYW4vbGlzdGluZm8vbGludXgtcm9ja2NoaXAK