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GET /api/1.2/patches/814476/?format=api
{ "id": 814476, "url": "http://patchwork.ozlabs.org/api/1.2/patches/814476/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1505543667-4670-1-git-send-email-srishtishar@gmail.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/1.2/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1505543667-4670-1-git-send-email-srishtishar@gmail.com>", "list_archive_url": null, "date": "2017-09-16T06:34:27", "name": "Staging: irda: Use !x instead of NULL comparison", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "724a174dc1995f902a43f34d71b4f7449f9bfa6e", "submitter": { "id": 72376, "url": "http://patchwork.ozlabs.org/api/1.2/people/72376/?format=api", "name": "Srishti Sharma", "email": "srishtishar@gmail.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/1.2/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1505543667-4670-1-git-send-email-srishtishar@gmail.com/mbox/", "series": [ { "id": 3419, "url": "http://patchwork.ozlabs.org/api/1.2/series/3419/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3419", "date": "2017-09-16T06:34:27", "name": "Staging: irda: Use !x instead of NULL comparison", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3419/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/814476/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/814476/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"lT+Bb/Kr\"; dkim-atps=neutral" ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xvMvG4Hvvz9s81\n\tfor <patchwork-incoming@ozlabs.org>;\n\tSat, 16 Sep 2017 16:34:50 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751249AbdIPGeg (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tSat, 16 Sep 2017 02:34:36 -0400", "from mail-pg0-f67.google.com ([74.125.83.67]:33846 \"EHLO\n\tmail-pg0-f67.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1750779AbdIPGee (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Sat, 16 Sep 2017 02:34:34 -0400", "by mail-pg0-f67.google.com with SMTP id v82so2390986pgb.1;\n\tFri, 15 Sep 2017 23:34:34 -0700 (PDT)", "from srishti-PRODiiGY-945G ([122.168.202.126])\n\tby smtp.gmail.com with ESMTPSA id\n\ti2sm4079131pgq.81.2017.09.15.23.34.32\n\t(version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tFri, 15 Sep 2017 23:34:33 -0700 (PDT)" ], "DKIM-Signature": "v=1; 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\n\tFri, 15 Sep 2017 23:34:34 -0700 (PDT)", "From": "Srishti Sharma <srishtishar@gmail.com>", "To": "samuel@sortiz.org", "Cc": "gregkh@linuxfoundation.org, netdev@vger.kernel.org,\n\tdevel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,\n\toutreachy-kernel@googlegroups.com, Srishti Sharma <srishtishar@gmail.com>", "Subject": "[PATCH] Staging: irda: Use !x instead of NULL comparison", "Date": "Sat, 16 Sep 2017 12:04:27 +0530", "Message-Id": "<1505543667-4670-1-git-send-email-srishtishar@gmail.com>", "X-Mailer": "git-send-email 2.7.4", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "Test for NULL as !x where functions that return NULL on failure\nare used. Done using the following semantic patch by coccinelle.\n\n@ is_null @\nexpression E;\nstatement S;\n@@\n\nE = (\\(kmalloc\\|devm_kzalloc\\|kmalloc_array\\|devm_ioremap\\|\nusb_alloc_urb\\|alloc_netdev\\|dev_alloc_skb\\)(...));\n\n(\nif(!E)\n S\n|\n-if(E==NULL)\n+if(!E)\n S\n)\n\nSigned-off-by: Srishti Sharma <srishtishar@gmail.com>\n---\n drivers/staging/irda/net/discovery.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/staging/irda/net/discovery.c b/drivers/staging/irda/net/discovery.c\nindex 364d70a..1e54954 100644\n--- a/drivers/staging/irda/net/discovery.c\n+++ b/drivers/staging/irda/net/discovery.c\n@@ -179,7 +179,7 @@ void irlmp_expire_discoveries(hashbin_t *log, __u32 saddr, int force)\n \t\t\t\t/* Create the client specific buffer */\n \t\t\t\tn = HASHBIN_GET_SIZE(log);\n \t\t\t\tbuffer = kmalloc(n * sizeof(struct irda_device_info), GFP_ATOMIC);\n-\t\t\t\tif (buffer == NULL) {\n+\t\t\t\tif (!buffer) {\n \t\t\t\t\tspin_unlock_irqrestore(&log->hb_spinlock, flags);\n \t\t\t\t\treturn;\n \t\t\t\t}\n@@ -291,7 +291,7 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn,\n \t\t\t\t/* Create the client specific buffer */\n \t\t\t\tn = HASHBIN_GET_SIZE(log);\n \t\t\t\tbuffer = kmalloc(n * sizeof(struct irda_device_info), GFP_ATOMIC);\n-\t\t\t\tif (buffer == NULL) {\n+\t\t\t\tif (!buffer) {\n \t\t\t\t\tspin_unlock_irqrestore(&log->hb_spinlock, flags);\n \t\t\t\t\treturn NULL;\n \t\t\t\t}\n", "prefixes": [] }