From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: dma: coh901318: Fix a double-lock bug From: Jia-Ju Bai Message-Id: <20181106033348.27361-1-baijiaju1990@gmail.com> Date: Tue, 6 Nov 2018 11:33:48 +0800 To: linus.walleij@linaro.org, vkoul@kernel.org, dan.j.williams@intel.com Cc: linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Jia-Ju Bai List-ID: VGhlIGZ1bmN0aW9uIGNvaDkwMTMxOF9hbGxvY19jaGFuX3Jlc291cmNlcygpIGNhbGxzIHNwaW5f bG9ja19pcnFzYXZlKCkgCmJlZm9yZSBjYWxsaW5nIGNvaDkwMTMxOF9jb25maWcoKS4KQnV0IGNv aDkwMTMxOF9jb25maWcoKSBjYWxscyBzcGluX2xvY2tfaXJxc2F2ZSgpIGFnYWluIGluIGl0cwpk ZWZpbml0aW9uLCB3aGljaCBtYXkgY2F1c2UgYSBkb3VibGUtbG9jayBidWcuCgpCZWNhdXNlIGNv aDkwMTMxOF9jb25maWcoKSBpcyBvbmx5IGNhbGxlZCBieQpjb2g5MDEzMThfYWxsb2NfY2hhbl9y ZXNvdXJjZXMoKSwgdGhlIGJ1ZyBmaXggaXMgdG8gcmVtb3ZlIHRoZQpjYWxscyB0byBzcGluLWxv Y2sgYW5kIC11bmxvY2sgZnVuY3Rpb25zIGluIGNvaDkwMTMxOF9jb25maWcoKS4KClNpZ25lZC1v ZmYtYnk6IEppYS1KdSBCYWkgPGJhaWppYWp1MTk5MEBnbWFpbC5jb20+Ci0tLQogZHJpdmVycy9k bWEvY29oOTAxMzE4LmMgfCA0IC0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA0IGRlbGV0aW9ucygtKQoK ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZG1hL2NvaDkwMTMxOC5jIGIvZHJpdmVycy9kbWEvY29oOTAx MzE4LmMKaW5kZXggZWViYWJhM2Q5ZTc4Li5mZDg2MmE0Nzg3MzggMTAwNjQ0Ci0tLSBhL2RyaXZl cnMvZG1hL2NvaDkwMTMxOC5jCisrKyBiL2RyaXZlcnMvZG1hL2NvaDkwMTMxOC5jCkBAIC0xODA3 LDggKzE4MDcsNiBAQCBzdGF0aWMgaW50IGNvaDkwMTMxOF9jb25maWcoc3RydWN0IGNvaDkwMTMx OF9jaGFuICpjb2hjLAogCWludCBjaGFubmVsID0gY29oYy0+aWQ7CiAJdm9pZCBfX2lvbWVtICp2 aXJ0YmFzZSA9IGNvaGMtPmJhc2UtPnZpcnRiYXNlOwogCi0Jc3Bpbl9sb2NrX2lycXNhdmUoJmNv aGMtPmxvY2ssIGZsYWdzKTsKLQogCWlmIChwYXJhbSkKIAkJcCA9IHBhcmFtOwogCWVsc2UKQEAg LTE4MjgsOCArMTgyNiw2IEBAIHN0YXRpYyBpbnQgY29oOTAxMzE4X2NvbmZpZyhzdHJ1Y3QgY29o OTAxMzE4X2NoYW4gKmNvaGMsCiAJY29oOTAxMzE4X3NldF9jb25mKGNvaGMsIHAtPmNvbmZpZyk7 CiAJY29oOTAxMzE4X3NldF9jdHJsKGNvaGMsIHAtPmN0cmxfbGxpX2xhc3QpOwogCi0Jc3Bpbl91 bmxvY2tfaXJxcmVzdG9yZSgmY29oYy0+bG9jaywgZmxhZ3MpOwotCiAJcmV0dXJuIDA7CiB9CiAK