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Miller" , Eric Dumazet , Paolo Abeni , Pravin B Shelar , Jon Maloy , Ying Xue Subject: [PATCH v1 1/3] string_helpers: Move string_is_valid() to the header Date: Fri, 3 Feb 2023 16:04:59 +0200 Message-Id: <20230203140501.67659-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.39.1 MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756819489820883953?= X-GMAIL-MSGID: =?utf-8?q?1756819489820883953?= Move string_is_valid() to the header for wider use. Signed-off-by: Andy Shevchenko Reviewed-by: Simon Horman --- include/linux/string_helpers.h | 5 +++++ net/tipc/netlink_compat.c | 6 +----- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 88fb8e1d0421..01c9a432865a 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -12,6 +12,11 @@ struct device; struct file; struct task_struct; +static inline bool string_is_valid(const char *s, int len) +{ + return memchr(s, '\0', len) ? true : false; +} + /* Descriptions of the types of units to * print in */ enum string_size_units { diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c index dfea27a906f2..75186cd551a0 100644 --- a/net/tipc/netlink_compat.c +++ b/net/tipc/netlink_compat.c @@ -39,6 +39,7 @@ #include "node.h" #include "net.h" #include +#include #include /* The legacy API had an artificial message length limit called @@ -173,11 +174,6 @@ static struct sk_buff *tipc_get_err_tlv(char *str) return buf; } -static inline bool string_is_valid(char *s, int len) -{ - return memchr(s, '\0', len) ? true : false; -} - static int __tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd, struct tipc_nl_compat_msg *msg, struct sk_buff *arg) From patchwork Fri Feb 3 14:05:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 52527 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp864345wrn; Fri, 3 Feb 2023 06:19:45 -0800 (PST) X-Google-Smtp-Source: AK7set8Ic8nKfDf+zrN+0Rtpw5X0r9JkJUFogPHn8hCi7WeozImyNQERVXyR7gAAYgFxmwNXLfG5 X-Received: by 2002:a17:907:c26:b0:88d:ba89:1850 with SMTP id ga38-20020a1709070c2600b0088dba891850mr6452620ejc.33.1675433985160; Fri, 03 Feb 2023 06:19:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675433985; cv=none; d=google.com; s=arc-20160816; b=hPltN3cwzXQ385Vh5SxHp7o/LXzQkxS2tof9r/POdQEoxXpKFZJHnvz4VHXwHB15L/ +wtsJjeScl68LRgdz2XBQXd/uBwtlqGlZ397xfGmyceK3zu5JVvAfA0iVpOcbXe9lnGw fhWLCxHIpfY8SjWIESUudYTe1V2JqHO/mlT/1dGRhC5T55zTWEyy4c7+J+4LRvSO6SXw wW93BHPFuh75FqK6Hzp9umguawiiCAZR7PIJ9SSkG7OfwomExdaJvWbdkdv6Pp+TsH7w Wh1EIyQ1WeLs+euJjm4KG+bxHP5WBXL0wEkIHetU+QGEg5X8LGtg4kwoaYSqoxVQM9R8 WNCQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=0/FkNOvKTNsGwmjNln5IP7ON9w/U5mOOf5nkbUFwOgI=; b=a2adwPg3jNC1Gh6MbAmUSIuHcNCN/X33ufnDua9rtofzMa2zaCGtUZYpkLNoIClLBD y8KNmTQ8BN/YKk/Prg91AR2m1OZPJKkLRUQGB/ub7ucXQeNPtUz9WiLN9xdJI1NM8s0k Qwrll26Fkjxio+DSmWZ5auAzKRCmbVrA3lH4GYLz6IBzAWez5m3Yug55nfbUNtZMgfe9 7XrBOMq55sPFFOfeyN4+3FuCHtRj9v2C8x7MMDJilbDrJsFobyAst7Bfq+VL7fG8mjlH 9Pnc+l3mjVLc30QjXVLkgFjl5ljVlmcHRH22m62WItcClY415Spnp9KPfuyieduKyDgU fmag== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=hDo02lTv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. 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Miller" , Eric Dumazet , Paolo Abeni , Pravin B Shelar , Jon Maloy , Ying Xue Subject: [PATCH v1 2/3] genetlink: Use string_is_valid() helper Date: Fri, 3 Feb 2023 16:05:00 +0200 Message-Id: <20230203140501.67659-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230203140501.67659-1-andriy.shevchenko@linux.intel.com> References: <20230203140501.67659-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756819866616362340?= X-GMAIL-MSGID: =?utf-8?q?1756819866616362340?= Use string_is_valid() helper instead of cpecific memchr() call. This shows better the intention of the call. Signed-off-by: Andy Shevchenko Reviewed-by: Simon Horman --- net/netlink/genetlink.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 600993c80050..d7616c1bda93 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -13,7 +13,7 @@ #include #include #include -#include +#include #include #include #include @@ -457,7 +457,7 @@ static int genl_validate_assign_mc_groups(struct genl_family *family) if (WARN_ON(grp->name[0] == '\0')) return -EINVAL; - if (WARN_ON(memchr(grp->name, '\0', GENL_NAMSIZ) == NULL)) + if (WARN_ON(!string_is_valid(grp->name, GENL_NAMSIZ))) return -EINVAL; } From patchwork Fri Feb 3 14:05:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 52526 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp864202wrn; Fri, 3 Feb 2023 06:19:30 -0800 (PST) X-Google-Smtp-Source: AK7set+H6eE/QR3LsO63hKWpqZv4AVLzhccgH4FVH2hxlmgCgSmL7c11b6HaGnyMGNHy/7JKEq90 X-Received: by 2002:a50:950d:0:b0:47e:eaae:9a5b with SMTP id u13-20020a50950d000000b0047eeaae9a5bmr10921770eda.42.1675433970524; Fri, 03 Feb 2023 06:19:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1675433970; cv=none; d=google.com; s=arc-20160816; b=qI1Rc7l4/Wtp52s6ZTjSjW+L2WH3Nzlv0Yp7gxCS6jrdmzDUOUJTArRUHouG3JVWSq BYhL/rH7rFl6axEL/SOG/bv4jhCHG+sP57EP/yDk+IA1F6YSdvRJAn1gvegROt+nKj15 YjkS40dK35sgM4dTvZTsky7gV41DtVLpe3/+pEP7R3PvNpQgjVlW/2TJoprfMOQ1eEto Ud/Hd29HYZG/GAxSCg+bpwMJhH1Jz6hI8yqhnSiPMg9zk7k129Ix3zK9LM4Pk7WdGgnt oOAiMVOSNKG9wXRfDj/XIp/poNj1jI1kP0adMfgeHELUtdYERrdZKmwSaxCvhh1PljGN Fs0w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=kLa5IB+SJ6KxM5ArIZi2qGASSC0UQrEqK75gvU24liE=; b=RAg/2BOJXKFcdso8Kz+e52BR13OOTjjdp9XDz6c1nRHlM3CDSzq0p8lmfl7czDkA9b YaEM6Rjn9eCUehQ9y9wbVYrQ0Ipgu+3Lygy8Qw2HfYkSfj+U+2sU7WKIiIwOs9yxJQ03 dG6X77F/PwG/RzQx6XNN3La4in1o60vzVJp0e4qFETTeNy/O6eXW8tedWmwYLSIYO/vE hQOC83FRxO0XCA4TiqgLv8IXn0VpYobRFkP/lMYjpIQ+ptxv+5bGDoBGqSehHPCoAvRn eoYQtQwRqVRpPVgKl3m6dmIgTuUGLQb8j4D5YHrhnVeRK0GL7r1yvP9TKQUOokjoBLMM BvVA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=Ubsm4zv1; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. 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Miller" , Eric Dumazet , Paolo Abeni , Pravin B Shelar , Jon Maloy , Ying Xue Subject: [PATCH v1 3/3] openvswitch: Use string_is_valid() helper Date: Fri, 3 Feb 2023 16:05:01 +0200 Message-Id: <20230203140501.67659-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230203140501.67659-1-andriy.shevchenko@linux.intel.com> References: <20230203140501.67659-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756819850924267754?= X-GMAIL-MSGID: =?utf-8?q?1756819850924267754?= Use string_is_valid() helper instead of cpecific memchr() call. This shows better the intention of the call. Signed-off-by: Andy Shevchenko Reviewed-by: Simon Horman --- net/openvswitch/conntrack.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index 2172930b1f17..1d65805e79b4 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -1383,7 +1384,7 @@ static int parse_ct(const struct nlattr *attr, struct ovs_conntrack_info *info, #endif case OVS_CT_ATTR_HELPER: *helper = nla_data(a); - if (!memchr(*helper, '\0', nla_len(a))) { + if (!string_is_valid(*helper, nla_len(a))) { OVS_NLERR(log, "Invalid conntrack helper"); return -EINVAL; } @@ -1404,7 +1405,7 @@ static int parse_ct(const struct nlattr *attr, struct ovs_conntrack_info *info, #ifdef CONFIG_NF_CONNTRACK_TIMEOUT case OVS_CT_ATTR_TIMEOUT: memcpy(info->timeout, nla_data(a), nla_len(a)); - if (!memchr(info->timeout, '\0', nla_len(a))) { + if (!string_is_valid(info->timeout, nla_len(a))) { OVS_NLERR(log, "Invalid conntrack timeout"); return -EINVAL; }