From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Sakamoto Subject: Re: udev: Access permission of fw character device in which fw node includes unit handled by ALSA Date: Wed, 19 Jun 2019 00:05:50 +0900 Message-ID: <20190618150549.GA2318@workstation> References: <20190520122724.GA14864@workstation> <20190617132642.GA25074@gardel-login> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20190617132642.GA25074@gardel-login> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: systemd-devel-bounces@lists.freedesktop.org Sender: "systemd-devel" To: mznyfn@0pointer.de Cc: clemens@ladisch.de, alsa-devel@alsa-project.org, linux1394-devel@lists.sourceforge.net, systemd-devel@lists.freedesktop.org List-Id: alsa-devel@alsa-project.org SGkgTGVubmFydCwKClRoYW5rcyBmb3IgeW91ciByZXBseSwgYW5kIG5vdGljZSB0byB0aGlzIGxl Z2FjeSBhbmQgbWlub3IgaXNzdWUgOykKCk9uIE1vbiwgSnVuIDE3LCAyMDE5LCBhdCAyMjoyNiwg TGVubmFydCBQb2V0dGVyaW5nIHdyb3RlOgo+IE9uIE1vLCAyMC4wNS4xOSAyMToyNywgVGFrYXNo aSBTYWthbW90byAoby10YWthc2hpQHNha2Ftb2NjaGkuanApIHdyb3RlOgo+IAo+ID4gSGkgYWxs LAo+ID4KPiA+IEknbSBhbiBBTFNBIGRldmVsb3BlciwgbWFpbmx5IGNvbW1pdHRpbmcgdG8gZHJp dmVycyBmb3IgYXVkaW8gYW5kCj4gPiBtdXNpYyB1bml0cyBvbiBJRUVFIDEzOTQgYnVzICh5ZXMs IGl0J3MgbGVnYWN5IEZpcmVXaXJlKS4gSSBoYXZlIGEKPiA+IGNvbmNlcm4gYWJvdXQgYWNjZXNz IHBlcm1pc3Npb24gZm9yIGZ3IGNoYXJhY3RlciBkZXZpY2UuCj4gCj4gSSBhbSBub3Qgc3VyZSBJ IHVuZGVyc3RhbmQgZmlyZXdpcmUgd2VsbCBlbm91Z2ggdG8gc2F5IHNvbWV0aGluZyB0b28KPiBz bWFydC4gQnV0IGlmIEkgdW5kZXJzdGFuZCBjb3JyZWN0bHksIHRoZW4gd2UgKGluIHN5c3RlbWQg dXBzdHJlYW0pCj4gY3VycmVudGx5IG9ubHkgaGF2ZSB0aGVzZSBmb3VyIGZpcmV3aXJlIHNwZWNp ZmljIHJ1bGVzIGluIG91ciB0cmVlOgo+IAo+ICAgU1VCU1lTVEVNPT0iZmlyZXdpcmUiLCBBVFRS e3VuaXRzfT09IioweDAwYTAyZDoweDAwMDEwKiIsIEdST1VQPSJ2aWRlbyIKPiAgIFNVQlNZU1RF TT09ImZpcmV3aXJlIiwgQVRUUnt1bml0c309PSIqMHgwMGIwOWQ6MHgwMDAxMCoiLCBHUk9VUD0i dmlkZW8iCj4gICBTVUJTWVNURU09PSJmaXJld2lyZSIsIEFUVFJ7dW5pdHN9PT0iKjB4MDBhMDJk OjB4MDEwMDAxKiIsIEdST1VQPSJ2aWRlbyIKPiAgIFNVQlNZU1RFTT09ImZpcmV3aXJlIiwgQVRU Unt1bml0c309PSIqMHgwMGEwMmQ6MHgwMTQwMDEqIiwgR1JPVVA9InZpZGVvIgo+IAo+IEFuZCBh bGwgb2YgdGhlc2UgYXJlIGhhbmRsZWQgYnkgc29tZSBmaXJld2lyZSBjb3JlIGRyaXZlcj8KCkFs dGhvdWdoIGl0J3MgcHJvYmFibGUgdGhhdCBzb21lIG9mIHRoZW0gYXJlIGhhbmRsZWQgYnkgaW4t a2VybmVsCmRyaXZlciAocGVyaGFwcyBmaXJlZHR2LmtvKSwgdGhleSdyZSBqdXN0IGZvciB1c2Vy c3BhY2UgYXBwbGljYXRpb25zLgpUaGUgaW4ta2VybmVsIGRyaXZlciBhZGRzIGFub3RoZXIgZGV2 aWNlIHRvIHN5c3RlbSAoaW4gdGhpcyBjYXNlCnZpZGVvIGNoYXJhY3RlciBkZXZpY2UpIGFuZCBh Y2Nlc3MgcnVsZXMgdG8gaXQgYXJlIGFwYXJ0IGZyb20gdGhlIG9uZQpmb3IgZncgY2hhcmFjdGVy IGRldmljZSwgYXMgbG9uZyBhcyBhbGwgZmVhdHVyZXMgYXJlIGltcGxlbWVudGVkIGluCnRoZSBp bi1rZXJuZWwgZHJpdmVyLgoKSW4gYSBjYXNlIG9mIGRyaXZlcnMgaW4gQUxTQSBmaXJld2lyZSBz dGFjaywgd2UgZGVjaWRlZCB0byBpbXBsZW1lbnQKYSBwYXJ0IG9mIGZlYXR1cmVzIGluIHVzZXJz cGFjZSBhcHBsaWNhdGlvbiwgZHVlIHRvIHRoZSBjb21wbGV4aXR5IG9mCnZlbmRvci1kZXBlbmRl bnQgcHJvdG9jb2xzLiBUaGUgaW4ta2VybmVsIGRyaXZlcnMganVzdCBpbXBsZW1lbnQKaXNvY2hy b25vdXMgcGFja2V0IHN0cmVhbWluZyBmb3IgUENNIGZyYW1lcyBhbmQgTUlESSBtZXNzYWdlcywg YW5kCnRlbGxzIHVzZXJzcGFjZSBhcHBsaWNhdGlvbnMgdGhlIHJlbGF0ZWQgZncgY2hhcmFjdGVy IGRldmljZSB2aWEKQUxTQSBod2RlcCBpbnRlcmZhY2VbMV0uCgo+IFRoZSBkZXZpY2VzIHlvdSBj YXJlIGFib3V0LCBob3cgd291bGQgdGhlIHJ1bGVzIGxvb2sgbGlrZSBmb3IgdGhpcz8KCkhlcmUs IEknZCBsaWtlIHRvIGV4cGxhaW4gYWJvdXQgdGhlIHJlbGF0aW9uc2hpcHMgYmV0d2VlbiBpbnN0 YW5jZXMgb24KSUVFRSAxMzk0IGJ1cyB0b3BvbG9neSBhbmQgZncgY2hhcmFjdGVyIGRldmljZSwg bW9kYWxpYXMgb24gaW4ta2VybmVsCmRyaXZlci4KCmBgYApJRUVFIDEzOTQgYnVzCiArIG5vZGUg QSAgICAgICAgKD1mdyBjaGFyYWN0ZXIgZGV2aWNlLCAvZGV3L2Z3MCkKICAgICsgdW5pdCBBMSAg ICAoPW1vZGFsaWFzIG9uIGluLWtlcm5lbCBkcml2ZXIsIGZ3MC4wKQogICAgKyB1bml0IEIyICAg ICg9bW9kYWxpYXMgb24gaW4ta2VybmVsIGRyaXZlciwgZncwLjEpCiAgICArIC4uLgogKyBub2Rl IEIgICAgICAgICg9ZncgY2hhcmFjdGVyIGRldmljZSwgL2Rldi9mdzEpCiAgICArIHVuaXQgQjEg ICAgKD1tb2RhbGlhcyBvbiBpbi1rZXJuZWwgZHJpdmVyLCBmdzEuMCkKICAgICsgdW5pdCBCMiAg ICAoPW1vZGFsaWFzIG9uIGluLWtlcm5lbCBkcml2ZXIsIGZ3MS4xKQogICAgKyAuLi4KICsgLi4u CmBgYAoKVGhlIHJlbGF0aW9uc2hpcCBiZXR3ZWVuIG5vZGUvdW5pdCBpcyBzaW1pbGFyIHRvIGRl dmljZS9pbnRlcmZhY2UgaW4KVVNCIGNhc2UuIE9uZSBub2RlIGNhbiBpbmNsdWRlcyBzZXZlcmFs IHVuaXRzIHdoaWNoIHJlcHJlc2VudAphY3R1YWwgZnVuY3Rpb25hbGl0aWVzLCBhbmQgYW55IGlu LWtlcm5lbCBkcml2ZXIgaXMgYm91bmQgdG8gb25lIG9mIHRoZQp1bml0cy4gT24gdGhlIG90aGVy IGhhbmQsIGZ3IGNoYXJhY3RlciBkZXZpY2UgaXMgYWRkZWQgZm9yIGVhY2ggbm9kZS4KVGhlIG5v ZGUgaXMgc3ViamVjdCBvZiBjb21tdW5pY2F0aW9uLgoKV2hlbiBhbnkgZHJpdmVyIGluIEFMU0Eg ZmlyZXdpcmUgc3RhY2sgaXMgYm91bmQgdG8gb25lIG9mIHVuaXRzIGluIGEgbm9kZSwKSSBleHBl Y3QgdWRldmQgdG8gY2hhbmdlIGdyb3VwIG9mIHRoZSBjb3JyZXNwb25kaW5nIGZ3IGNoYXJhY3Rl ciBkZXZpY2UgdG8KJ2F1ZGlvJywgYW5kIGV4cGVjdCBsb2dpbmQgdG8gYXNzaWduIEFDTCB0byBp dC4KCiArIG5vZGUgQSAgICAoZncgY2hhcmFjdGVyIGRldmljZSB3aXRoICdhdWRpbycgZ3JvdXAs ICt1YWNjZXNzKQogICArIHVuaXQgQTEgKGFueSBkcml2ZXIgaW4gQUxTQSBmaXJld2lyZSBzdGFj ayBpcyBib3VuZCB0bykKCkluIGN1cnJlbnQgZnJhbWV3b3JrIG9mIHVkZXYgcnVsZSwgdGhpcyBz ZWVtcyB0byBiZSBkaWZmaWN1bHQgdG8gYWNoaWV2ZSwKaW4gbXkgb3Bpbmlvbi4gVGh1cywgaWYg SSBtYW5hZ2VkIHRvIGFjaGlldmUgaXQgYnkgcnVsZSBmcmFtZXdvcmssCkkgd291bGQgYWRkIGFu ZCBtYWludGFpbiBtYW55IGVudHJpZXMgZ2VuZXJhdGVkIGZyb20gbXkgcmVnaXN0cnlbMl0uCgo+ IEluIGdlbmVyYWwsIHdoZW4gaXQgY29tZXMgdG8gYXV0by1sb2FkaW5nIG9mIGRyaXZlcnMgd2Ug dXN1YWxseSBleHBlY3QKPiB0aGUga2VybmVsIHRvIGFkZCBtb2RhbGlhcyBtZXRhZGF0YSB0byAu a28gZmlsZXMuCj4KPiBJbiB0aGUgaHdkYiB1c3VhbGx5IG1vc3RseSBvbmx5ICJhdXhpbGlhcnki IGRhdGEgaXMgc3RvcmVkLCBpLmUuIHN0dWZmCj4gdGhhdCBpcyBncmVhdCB0byBoYXZlIGJ1dCBp cyBub3QgZXNzZW50aWFsIGZvciBhIGRldmljZSB0byB3b3JrCj4gYmFzaWNhbGx5Lgo+Cj4gUnVs ZXMgZmlsZXMgc2hvdWxkIGdlbmVyYWxseSBiZSBrZXB0IHNob3J0LiBpLmUuIGlmIHlvdSBhZGQg MyBtb3JlCj4gcnVsZXMgZm9yIHRoZSBkZXZpY2VzIHlvdSBjYXJlIGFib3V0LCB0aGF0J2QgYmUg ZmluZSDigJQgaWYgeW91IGFkZCAxMDAsCj4gdGhlbiB0aGF0J3Mgbm90IHNvIGdyZWF0IGhvd2V2 ZXIsIGFuZCBhbm90aGVyIGFwcHJvYWNoIHNob3VsZCBiZQo+IGZvdW5kLgoKWWVzLiBJJ2QgbGlr ZSB0byBhdm9pZCBpbmNyZWFzaW5nIG1haW50ZW5hbmNlIGNvc3Qgb2YgYW55Ym9keSBpbmNsdWRp bmcKbXlzZWxmLi4uCgo+IEFueXdheSwgZ2l2ZW4gdGhhdCBJIGFtIG5vdCBhIGZpcmV3aXJlIHBy bywgSSBmaWd1cmUgeW91IGhhdmUgdG8KPiBkZWNpZGUgeW91cnNlbGYgd2hhdCB0aGUgYmVzdCBh cHByb2FjaCBpcywgYW5kIHRoZW4gcHJlcCBhIFBSIGFuZCB3ZQo+IGNhbiBoYXZlIGEgbG9vay4g V2l0aG91dCBsb29raW5nIGF0IGFuIChtYXliZSBqdXN0IFJGQykgcGF0Y2ggSSBhbSBub3QKPiBz dXJlIEkgZ3JvayBlbnVnaCB0byBwcm9wZXJseSBjb21tZW50IG9uIGl0LgoKT2theS4gSSdsbCBh dHRlbXB0IHRvIHBvc3Qgc2V2ZXJhbCBSRkMgcGF0Y2hlcy4gSXQgdGFrZXMgbWUgYSBiaXQgbG9u Zwp0aW1lIGJlY2F1c2UgdGhpcyBpcyBteSBmaXJzdCBhdHRlbXB0IHRvIGNvbW1pdCBzeXN0ZW1k LCBidXQgSSdtIGhhcHB5CmlmIHlvdSByZXZpZXcgYW5kIGNvbW1lbnQgdG8gdGhlbS4KClsxXSBo dHRwczovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dpdC90b3J2YWxkcy9s aW51eC5naXQvdHJlZS9pbmNsdWRlL3VhcGkvc291bmQvZmlyZXdpcmUuaCNuOTMKWzJdIGh0dHBz Oi8vZ2l0aHViLmNvbS90YWthc3dpZS9hbS1jb25maWctcm9tcwoKClRoYW5rcwoKVGFrYXNoaSBT YWthbW90bwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpz eXN0ZW1kLWRldmVsIG1haWxpbmcgbGlzdApzeXN0ZW1kLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3N5c3Rl bWQtZGV2ZWw=