From patchwork Fri Sep 19 11:04:55 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Renu Tyagi X-Patchwork-Id: 4937101 X-Patchwork-Delegate: tiwai@suse.de Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 510C3BEEA5 for ; Fri, 19 Sep 2014 11:05:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1B487201EF for ; Fri, 19 Sep 2014 11:05:26 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 3D5E2201ED for ; Fri, 19 Sep 2014 11:05:18 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 44FCB261B1B; Fri, 19 Sep 2014 13:05:16 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, MIME_BASE64_BLANKS, NO_DNS_FOR_FROM,UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 1AEF0261A7C; Fri, 19 Sep 2014 13:05:06 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 3005C261A7F; Fri, 19 Sep 2014 13:05:05 +0200 (CEST) Received: from mailout2.samsung.com (mailout2.samsung.com [203.254.224.25]) by alsa0.perex.cz (Postfix) with ESMTP id C9E66261A50 for ; Fri, 19 Sep 2014 13:04:57 +0200 (CEST) Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NC500IIUAS71Q40@mailout2.samsung.com> for alsa-devel@alsa-project.org; Fri, 19 Sep 2014 20:04:55 +0900 (KST) Received: from epcpsbgx4.samsung.com ( [172.20.52.124]) by epcpsbgr3.samsung.com (EPCPMTA) with SMTP id 5F.24.04467.7DD0C145; Fri, 19 Sep 2014 20:04:55 +0900 (KST) X-AuditID: cbfee68f-f797f6d000001173-88-541c0dd76071 Received: from epmailer01 ( [203.254.219.141]) by epcpsbgx4.samsung.com (EPCPMTA) with SMTP id 9B.C4.05030.7DD0C145; Fri, 19 Sep 2014 20:04:55 +0900 (KST) Message-id: <9B.C4.05030.7DD0C145@epcpsbgx4.samsung.com> Date: Fri, 19 Sep 2014 11:04:55 +0000 (GMT) From: Renu Tyagi To: alsa-devel@alsa-project.org MIME-version: 1.0 X-MTR: 20140919110322914@renu.tyagi Msgkey: 20140919110322914@renu.tyagi X-EPLocale: en_US.windows-1252 X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-MLAttribute: X-RootMTR: 20140919110322914@renu.tyagi X-ParentMTR: X-ArchiveUser: X-CPGSPASS: N Content-type: multipart/mixed; boundary="----=SAMSUNG_mySingle_MIME_MULTIPART_BOUNDARY" X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrGKsWRmVeSWpSXmKPExsWyRsSkRvc6r0yIwfsl/BZXLh5icmD02PC5 iS2AMYrLJiU1J7MstUjfLoEr4+LkfqaCj/wVa7p3sDUwTufvYuTkEBJQlVhwbRkjiC0hYCLx 9thhdghbTOLCvfVsXYxcQDVLGSWmTVrBAlM0q+MTC0RiDqNE/5d/YN28AhYSn74eAetmAZo6 b+1iVhCbTUBLYk9nDxOILSxgJrF90QpmEFtEQEWi4/VysF5moG2/z9wF6uUAGqogsfueGcRI QYmTM59A7VWWONrxgBUiriIx78EPqEPlJJZMvcwEYfNKzGh/ygITn/Z1DTOELS1xftYGRpjH Fn9/DBXnlzh2ewdUr4DE1DMHoWo0JBYsegRVwyexZuFbFpj6XaeWM8Psur9lLhPE+ZESd1Y8 YweFiYTADg6Ju5eaWCHhICDxbfIhqGZJiYMrbrBMYJSfheS3WUj6IWxFiSndD6FsA4kji+aw oqvnFXCSuN1wkxWixk5iy51vLJh6rSWOti9kWcDIuYpRNLUguaA4Kb3IWK84Mbe4NC9dLzk/ dxMjMPmc/vesfwfj3QPWhxgFOBiVeHg906RDhFgTy4orcw8xmgK9MJFZSjQ5H5ji8kriDY3N jCxMTUyNjcwtzZTEeRdK/QwWEkhPLEnNTk0tSC2KLyrNSS0+xMjEwSnVwCjJdaWkd2ae5Typ QlmxPz/tf+6o3dz9zUBX5BP/d+3szYeF9pa+nXvCo4pznqW2QW1stvTug0/OTOZ3ebtjwp4H eXsn5y298/ZNGUtb+/FzjLeP7cl9t8FeKnuD7Y4DG09e27ThyEEPk9IQ0Xbb94XzZN30m4N2 nv0/e8vZFZqmPq3cmi6zbm5VYinOSDTUYi4qTgQA5bIw7DkDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrNKsWRmVeSWpSXmKPExsVy+t/tXt3rvDIhBt9ns1tcuXiIyYHRY8Pn JrYAxqg0m4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zByg qUoKZYk5pUChgMTiYiV9O5ui/NKSVIWM/OISW6VoQ3MjPSMDPVMjPUPTWCtDAwMjU6CahLSM i5P7mQo+8les6d7B1sA4nb+LkZNDSEBVYsG1ZYwgtoSAicSsjk8sELaYxIV769m6GLmAauYw SvR/+QdWxCtgIfHp6xF2EJsFqHne2sWsIDabgJbEns4eJhBbWMBMYvuiFcwgtoiAikTH6+Vg vcxAQ3+fuQvUywE0VEFi9z0ziJGCEidnPoHaqyxxtOMBK0RcRWLegx/sEHE5iSVTLzNB2LwS M9qfssDEp31dwwxhS0ucn7WBEeb+xd8fQ8X5JY7d3gHVKyAx9cxBqBoNiQWLHkHV8EmsWfiW BaZ+16nlzDC77m+ZywRxfqTEnRXP2CcwSs1CcvYsJCkIW1FiSvdDKNtA4siiOazo6nkFnCRu N9xkhaixk9hy5xsLpl5riaPtC1kWMHKuYhRNLUguKE5KrzDRK07MLS7NS9dLzs/dxAhOXM+W 7GBsuGB9iFGAg1GJh9cjTTpEiDWxrLgy9xCjCtCcRxtWX2CUYsnLz0tVEuG9+A8ozZuSWFmV WpQfX1Sak1p8iNEUGJkTmaVEk/OByTavJN7Q2MTc1NjUwsDQ3NxMSZx3wa2kICGB9MSS1OzU 1ILUIpg+Jg5OqQbGoBXi3wxXvj6kKL9ji6aDiGjS7GcvIqK0Fy5YMPW3i4OOtYWZjCuPpOJn rhlM1d6lNxds8/T/e+f1e4O1azfM7kmaxjU79L9cLX+fGfv8tH/qHbdUrEJOfMzZo5Qop6V8 3eDqPuWrsqfuP12cr+hpOD1UwP5eYwPTvaXSCb9Mzz364y7EzXNAiaU4I9FQi7moOBEAwiSV f34DAAA= DLP-Filter: Pass X-CFilter-Loop: Reflected Cc: tiwai@suse.de Subject: [alsa-devel] [PATCH 6/11] simple_abst : null check for lib X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: renu.tyagi@samsung.com List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: renu tyagi --- src/mixer/simple_abst.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) -- 1.7.1 diff --git a/src/mixer/simple_abst.c b/src/mixer/simple_abst.c index 9e9aaf5..5297472 100644 --- a/src/mixer/simple_abst.c +++ b/src/mixer/simple_abst.c @@ -70,6 +70,8 @@ static int try_open(snd_mixer_class_t *class, const char *lib) void *h; int err = 0; + if (!lib) + return -ENXIO; path = getenv("ALSA_MIXER_SIMPLE_MODULES"); if (!path) path = SO_PATH;