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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id k29-20020a02661d000000b0032ead96ee5csm8418552jac.165.2022.06.08.14.17.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jun 2022 14:17:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NavSdPo8FT9tgL7O1y4GHz2cTUNr6cPjcE/aghh8Xno=; b=IquNK5G5FFh1OEyf/hdIdsolRlAE0fMrY2i1W8EnXHYm6u33Fm+2Y47mvXjbtvrvT8 O8JEj4O5UaQ5PjDecIM9M/uezzUi4xxjGuYQGUPhQtnXd1rM7EBnBgem1SrdFT3ilvJ3 DwZv88Fw3wZa38mo2kWGbPOCd+CyPxbQgK8DVqdYtjzhwn/ORwM0FzQW0/B9jC354ih5 xWd/HDGaPQUY+p6PJsFWkVkWJFy1m5zrSL09w9qOH8jfBko0yEd5rCJAg3dlPyfW9q0F hRfp3su+pdMez+0eCgml+ThyupbvUYKpcyUKPJsyQ128lPFYcUrArDzyNxvgPu/UeHg/ I04g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NavSdPo8FT9tgL7O1y4GHz2cTUNr6cPjcE/aghh8Xno=; b=mHhH3axqkSXjSBxoL9HyzFGQIK9qi+R7Qnwvlr62Xl4/KOolAxa42Mi2YzUWudJ6vP lLsQtmT3VUQUH4uKrHdZB9x+iODRudfH1XhgmQXVvxPmZ97Zz1/w4mSQLzA3qYNZrzqv G4r1MoAs4KmvZ5eJWImzDxD31WS8rNvTiw/RJ8wjzIumvSs6QeQBDleBc426fiSc2YJR Xl/ADqAl3JyfPYkLDNeKcyrIU6zqBMGhRS5MK6ta0tdJLOE8Ld+xLO++R8CVHECOnEzD LCzpnIPC3hJRVI/5K/MLf70CMj9APy0pEbeExX9aJOprwgqHbHbkeYXTq9w1sRf6bp1w euoA== X-Gm-Message-State: AOAM532YMXjRQlPGyM6Plogtb96TMcZ5WTSMSWC6FkTPjqMqoqSvjLJE uJXQtoveyYR47xRhkXj3/NM8jeisdTlW5w== X-Google-Smtp-Source: ABdhPJxQDGfsh69rGVLxuZsfCaDqxrH+7RE/1W7zW6PSD14zbPFCKFMvyDFv0YI/9tapUuWYVI9LuQ== X-Received: by 2002:a05:6638:381c:b0:331:b4c2:1f93 with SMTP id i28-20020a056638381c00b00331b4c21f93mr8619980jav.185.1654723024085; Wed, 08 Jun 2022 14:17:04 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Cc: jrtc27@FreeBSD.org, def@freebsd.org, Warner Losh , arrowd@freebsd.org, Kyle Evans Subject: [PATCH v2 2/6] bsd-user/freebsd/os-syscall.c: unlock_iovec Date: Wed, 8 Jun 2022 15:17:07 -0600 Message-Id: <20220608211711.56158-3-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220608211711.56158-1-imp@bsdimp.com> References: <20220608211711.56158-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::d2a; envelope-from=imp@bsdimp.com; helo=mail-io1-xd2a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bsdimp-com.20210112.gappssmtp.com) X-ZM-MESSAGEID: 1654723179412100003 Content-Type: text/plain; charset="utf-8" Releases the references to the iovec created by lock_iovec. Signed-off-by: Warner Losh --- bsd-user/freebsd/os-syscall.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 67851937a8f..52093d479d8 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -175,6 +175,20 @@ fail2: return NULL; } =20 +void unlock_iovec(struct iovec *vec, abi_ulong target_addr, + int count, int copy) +{ + struct target_iovec *target_vec; + + target_vec =3D lock_user(VERIFY_READ, target_addr, + count * sizeof(struct target_iovec), 1); + if (target_vec) { + helper_unlock_iovec(target_vec, target_addr, vec, count, copy); + } + + g_free(vec); +} + /* * do_syscall() should always have a single exit point at the end so that * actions, such as logging of syscall results, can be performed. All err= nos --=20 2.33.1