From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Airlie Subject: [PATCH] drm/mst: use kref_get_unless_zero for looking up mst branch device Date: Mon, 10 Nov 2014 16:41:20 +1000 Message-ID: <1415601680-3654-1-git-send-email-airlied@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogRGF2ZSBBaXJsaWUgPGFpcmxpZWRAcmVkaGF0LmNvbT4KClRoZSBiYWNrdHJhY2UgYmVs b3cgc2hvd3MgdGhhdCB3aGlsZSB3ZSB0ZWFyIGRvd24gYSBicmFuY2ggZGV2aWNlLAp3aGVuIHdl IHJlbW92ZSB0aGUgY29ubmVjdG9yLCB3ZSBjYW4gYXR0ZW1wdCB0byBkaXNhYmxlIE1TVCBvbiB0 aGUKcG9ydCB3ZSBhcmUgdGVhcmluZyBkb3duLCBzaW5jZSB0aGUgcG9ydCBpcyBnb2luZyBhd2F5 LCB0aGVyZSBpdApoYXMgYSByZWZjb3VudCBvZiAwIGFscmVhZHksIHNvIHRoZSB2YWxpZGF0ZWQg cmVmIGxvb2t1cCBpcyB0cnlpbmcKdG8ga3JlZl9nZXQgYWdhaW4gYW5kIGZhaWxpbmcuCgpVc2Ug a3JlZl9nZXRfdW5sZXNzX3plcm8gYW5kIGp1c3QgZG9uJ3QgcmV0dXJuIGFueXRoaW5nIGlmIHdl IGFyZQpsb29raW5nIHVwIHRoZSBvYmplY3Qgd2UgYXJlIGN1cnJlbnRseSBhbHNvIGNsZWFuaW5n LgoKIFs8ZmZmZmZmZmZhMDBjYzI2Mj5dIGRybV9kcF9tc3RfZ2V0X3ZhbGlkYXRlZF9tc3RiX3Jl Zl9sb2NrZWQrMHg5Mi8weGEwIFtkcm1fa21zX2hlbHBlcl0KIFs8ZmZmZmZmZmZhMDBjYzIxMT5d IGRybV9kcF9tc3RfZ2V0X3ZhbGlkYXRlZF9tc3RiX3JlZl9sb2NrZWQrMHg0MS8weGEwIFtkcm1f a21zX2hlbHBlcl0KIFs8ZmZmZmZmZmZhMDBjYzJhYT5dIGRybV9kcF9nZXRfdmFsaWRhdGVkX21z dGJfcmVmKzB4M2EvMHg2MCBbZHJtX2ttc19oZWxwZXJdCiBbPGZmZmZmZmZmYTAwY2MyZmI+XSBk cm1fZHBfcGF5bG9hZF9zZW5kX21zZy5pc3JhLjE0KzB4MmIvMHgxMDAgW2RybV9rbXNfaGVscGVy XQogWzxmZmZmZmZmZmEwMGNjNTQ3Pl0gZHJtX2RwX3VwZGF0ZV9wYXlsb2FkX3BhcnQxKzB4MTc3 LzB4MzYwIFtkcm1fa21zX2hlbHBlcl0KIFs8ZmZmZmZmZmZhMDE1YzUyZT5dIGludGVsX21zdF9k aXNhYmxlX2RwKzB4M2UvMHg4MCBbaTkxNV0KIFs8ZmZmZmZmZmZhMDEzZDYwYj5dIGhhc3dlbGxf Y3J0Y19kaXNhYmxlKzB4MWNiLzB4MzQwIFtpOTE1XQogWzxmZmZmZmZmZmEwMTM2NzM5Pl0gaW50 ZWxfY3J0Y19jb250cm9sKzB4NDkvMHgxMDAgW2k5MTVdCiBbPGZmZmZmZmZmYTAxMzY4NTc+XSBp bnRlbF9jcnRjX3VwZGF0ZV9kcG1zKzB4NjcvMHg4MCBbaTkxNV0KIFs8ZmZmZmZmZmZhMDEzZmE1 OT5dIGludGVsX2Nvbm5lY3Rvcl9kcG1zKzB4NTkvMHg3MCBbaTkxNV0KIFs8ZmZmZmZmZmZhMDE1 Yzc1Mj5dIGludGVsX2RwX2Rlc3Ryb3lfbXN0X2Nvbm5lY3RvcisweDMyLzB4YzAgW2k5MTVdCiBb PGZmZmZmZmZmYTAwY2I0NGI+XSBkcm1fZHBfZGVzdHJveV9wb3J0KzB4NmIvMHhhMCBbZHJtX2tt c19oZWxwZXJdCiBbPGZmZmZmZmZmYTAwY2I1ODg+XSBkcm1fZHBfZGVzdHJveV9tc3RfYnJhbmNo X2RldmljZSsweDEwOC8weDEzMCBbZHJtX2ttc19oZWxwZXJdCiBbPGZmZmZmZmZmYTAwY2IzY2Q+ XSBkcm1fZHBfcG9ydF90ZWFyZG93bl9wZHQrMHgzZC8weDUwIFtkcm1fa21zX2hlbHBlcl0KIFs8 ZmZmZmZmZmZhMDBjZGI3OT5dIGRybV9kcF9tc3RfaGFuZGxlX3VwX3JlcSsweDQ5OS8weDU0MCBb ZHJtX2ttc19oZWxwZXJdCiBbPGZmZmZmZmZmODEwZDllYWQ+XSA/IHRyYWNlX2hhcmRpcnFzX29u X2NhbGxlcisweDE1ZC8weDIwMAogWzxmZmZmZmZmZmEwMGNkYzczPl0gZHJtX2RwX21zdF9ocGRf aXJxKzB4NTMvMHhhMDAgW2RybV9rbXNfaGVscGVyXQogWzxmZmZmZmZmZmEwMGM3ZGZiPl0gPyBk cm1fZHBfZHBjZF9yZWFkKzB4MWIvMHgyMCBbZHJtX2ttc19oZWxwZXJdCiBbPGZmZmZmZmZmYTAx NTNlZDg+XSA/IGludGVsX2RwX2RwY2RfcmVhZF93YWtlKzB4MzgvMHg3MCBbaTkxNV0KIFs8ZmZm ZmZmZmZhMDE1YTIyNT5dIGludGVsX2RwX2NoZWNrX21zdF9zdGF0dXMrMHhiNS8weDI1MCBbaTkx NV0KIFs8ZmZmZmZmZmZhMDE1YWM3MT5dIGludGVsX2RwX2hwZF9wdWxzZSsweDE4MS8weDIxMCBb aTkxNV0KIFs8ZmZmZmZmZmZhMDExMDRmNj5dIGk5MTVfZGlncG9ydF93b3JrX2Z1bmMrMHg5Ni8w eDEyMCBbaTkxNV0KClNpZ25lZC1vZmYtYnk6IERhdmUgQWlybGllIDxhaXJsaWVkQHJlZGhhdC5j b20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2RybV9kcF9tc3RfdG9wb2xvZ3kuYyB8IDYgKysrKy0t CiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMgYi9kcml2ZXJzL2dw dS9kcm0vZHJtX2RwX21zdF90b3BvbG9neS5jCmluZGV4IGNlMTExM2MuLmY3MDNhNWIgMTAwNjQ0 Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMKKysrIGIvZHJpdmVy cy9ncHUvZHJtL2RybV9kcF9tc3RfdG9wb2xvZ3kuYwpAQCAtODgyLDggKzg4MiwxMCBAQCBzdGF0 aWMgc3RydWN0IGRybV9kcF9tc3RfYnJhbmNoICpkcm1fZHBfbXN0X2dldF92YWxpZGF0ZWRfbXN0 Yl9yZWZfbG9ja2VkKHN0cnVjdAogCXN0cnVjdCBkcm1fZHBfbXN0X3BvcnQgKnBvcnQ7CiAJc3Ry dWN0IGRybV9kcF9tc3RfYnJhbmNoICpybXN0YjsKIAlpZiAodG9fZmluZCA9PSBtc3RiKSB7Ci0J CWtyZWZfZ2V0KCZtc3RiLT5rcmVmKTsKLQkJcmV0dXJuIG1zdGI7CisJCWlmICgha3JlZl9nZXRf dW5sZXNzX3plcm8oJm1zdGItPmtyZWYpKQorCQkJcmV0dXJuIE5VTEw7CisJCWVsc2UKKwkJCXJl dHVybiBtc3RiOwogCX0KIAlsaXN0X2Zvcl9lYWNoX2VudHJ5KHBvcnQsICZtc3RiLT5wb3J0cywg bmV4dCkgewogCQlpZiAocG9ydC0+bXN0YikgewotLSAKMi4xLjAKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50 ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==