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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id h4sm4055901ili.52.2021.04.24.09.01.05 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 24 Apr 2021 09:01:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lT0iyUwum8EZCC05GDsUg7mVcpTBPEwFXTcaOzq9xxc=; b=KQmmT9ItVuV0KbjLcWsXYkRQx6OWg9YSSARRAXegwTpAhxoPDOd8QB/O4xfiVBOEHH SPEXMxppR72hMWOgDlvVZtZ+TkFj66YFuv5n88bkgGCOQ2ixZIKeRTNzYCuTl9VqWm0s 7qnW6pEoWzubq8CZteXpLqj97U2590jmgqH4/xEZiZRUZCr8zOxHcvp/2rOYRmpasoOE 5blO4cXezk/cWjdYBWacAoIM7A6PwLuoU6YqpPsBb/KfDncAfoNvWm/N6/gMnczMFCWR v6XlUKd/ZmGUtJ2LlCohaBVXSZTxIvM07zykU4fQvqcHX9t9qqGYKGzCIbi5Q0yvcny9 FjNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lT0iyUwum8EZCC05GDsUg7mVcpTBPEwFXTcaOzq9xxc=; b=T9VNLrZcLzUi4qulJ47wKk471GWmtlRp1Bp24CU+OEVaV6NkekKC74CNvoNTGZuBcn p+CiWsCM+v+rWe0PipQ3DMVvSGIZJltwVfO9XjT0NlTwr7lD6K8tPUGMWRT0TH0vQFtf N1vteoGCmCME3pyvc41VtfYALsE4pYQx4RbEo6HYwCtyq/t5rv5HN00iA92Uwh619ZVe Maj2RZd7DZ6Q9wcIpmTtTLLDB45dh5gaONK04YL2eiI8UfsMtCHYtJazA6FSXefL7qOJ wB7xr6oLM1SRZohMsTY41Ay3oFM2N0zR85KK7NLjOxEshD/33NnOsPkKKJXV3Mw786WE plAw== X-Gm-Message-State: AOAM530c5kZwP9UfaLaKzxHRfMA0YE4ezQMpYLia7CRw0e1RYm7e20m6 FdnX6cn64u6gfu9Av2zfu4y8lDryykOq5yuf X-Google-Smtp-Source: ABdhPJzJRk/K3YdbJQjdMLYYjd/otHo41G+9uuDFiKGqI6BKYLOGwCaRFyoMkhMI3JDuzxFYm1T1DA== X-Received: by 2002:a02:a04d:: with SMTP id f13mr1994100jah.38.1619280065909; Sat, 24 Apr 2021 09:01:05 -0700 (PDT) From: imp@bsdimp.com To: qemu-devel@nongnu.org Subject: [PATCH v2 47/48] bsd-user: style tweak: don't assign in if statement. Date: Sat, 24 Apr 2021 10:00:15 -0600 Message-Id: <20210424160016.15200-48-imp@bsdimp.com> X-Mailer: git-send-email 2.22.1 In-Reply-To: <20210424160016.15200-1-imp@bsdimp.com> References: <20210424160016.15200-1-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::d31; envelope-from=imp@bsdimp.com; helo=mail-io1-xd31.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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kevans@freebsd.org, arichardson@freebsd.org, Warner Losh Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bsdimp-com.20150623.gappssmtp.com) Content-Type: text/plain; charset="utf-8" From: Warner Losh Signed-off-by: Warner Losh Reviewed-by: Richard Henderson --- bsd-user/syscall.c | 40 +++++++++++++++++++++++++++------------- 1 file changed, 27 insertions(+), 13 deletions(-) diff --git a/bsd-user/syscall.c b/bsd-user/syscall.c index 1f6b93923c..1851311acd 100644 --- a/bsd-user/syscall.c +++ b/bsd-user/syscall.c @@ -245,13 +245,18 @@ static abi_long do_freebsd_sysctl(abi_ulong namep, in= t32_t namelen, if (oldlenp) { get_user_ual(oldlen, oldlenp); } - if (!(hnamep =3D lock_user(VERIFY_READ, namep, namelen, 1))) { + hnamep =3D lock_user(VERIFY_READ, namep, namelen, 1); + if (!hnamep) { return -TARGET_EFAULT; } - if (newp && !(hnewp =3D lock_user(VERIFY_READ, newp, newlen, 1))) { - return -TARGET_EFAULT; + if (newp) { + hnewp =3D lock_user(VERIFY_READ, newp, newlen, 1); + if (!hnewp) { + return -TARGET_EFAULT; + } } - if (!(holdp =3D lock_user(VERIFY_WRITE, oldp, oldlen, 0))) { + holdp =3D lock_user(VERIFY_WRITE, oldp, oldlen, 0); + if (!holdp) { return -TARGET_EFAULT; } holdlen =3D oldlen; @@ -368,14 +373,16 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, a= bi_long arg1, ret =3D 0; /* avoid warning */ break; case TARGET_FREEBSD_NR_read: - if (!(p =3D lock_user(VERIFY_WRITE, arg2, arg3, 0))) { + p =3D lock_user(VERIFY_WRITE, arg2, arg3, 0); + if (!p) { goto efault; } ret =3D get_errno(read(arg1, p, arg3)); unlock_user(p, arg2, ret); break; case TARGET_FREEBSD_NR_write: - if (!(p =3D lock_user(VERIFY_READ, arg2, arg3, 1))) { + p =3D lock_user(VERIFY_READ, arg2, arg3, 1); + if (!p) { goto efault; } ret =3D get_errno(write(arg1, p, arg3)); @@ -395,7 +402,8 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi= _long arg1, } break; case TARGET_FREEBSD_NR_open: - if (!(p =3D lock_user_string(arg1))) { + p =3D lock_user_string(arg1); + if (!p) { goto efault; } ret =3D get_errno(open(path(p), @@ -479,21 +487,24 @@ abi_long do_netbsd_syscall(void *cpu_env, int num, ab= i_long arg1, ret =3D 0; /* avoid warning */ break; case TARGET_NETBSD_NR_read: - if (!(p =3D lock_user(VERIFY_WRITE, arg2, arg3, 0))) { + p =3D lock_user(VERIFY_WRITE, arg2, arg3, 0); + if (!p) { goto efault; } ret =3D get_errno(read(arg1, p, arg3)); unlock_user(p, arg2, ret); break; case TARGET_NETBSD_NR_write: - if (!(p =3D lock_user(VERIFY_READ, arg2, arg3, 1))) { + p =3D lock_user(VERIFY_READ, arg2, arg3, 1); + if (!p) { goto efault; } ret =3D get_errno(write(arg1, p, arg3)); unlock_user(p, arg2, 0); break; case TARGET_NETBSD_NR_open: - if (!(p =3D lock_user_string(arg1))) { + p =3D lock_user_string(arg1); + if (!p) { goto efault; } ret =3D get_errno(open(path(p), @@ -565,21 +576,24 @@ abi_long do_openbsd_syscall(void *cpu_env, int num, a= bi_long arg1, ret =3D 0; /* avoid warning */ break; case TARGET_OPENBSD_NR_read: - if (!(p =3D lock_user(VERIFY_WRITE, arg2, arg3, 0))) { + p =3D lock_user(VERIFY_WRITE, arg2, arg3, 0); + if (!p) { goto efault; } ret =3D get_errno(read(arg1, p, arg3)); unlock_user(p, arg2, ret); break; case TARGET_OPENBSD_NR_write: - if (!(p =3D lock_user(VERIFY_READ, arg2, arg3, 1))) { + p =3D lock_user(VERIFY_READ, arg2, arg3, 1); + if (!p) { goto efault; } ret =3D get_errno(write(arg1, p, arg3)); unlock_user(p, arg2, 0); break; case TARGET_OPENBSD_NR_open: - if (!(p =3D lock_user_string(arg1))) { + p =3D lock_user_string(arg1); + if (!p) { goto efault; } ret =3D get_errno(open(path(p), --=20 2.22.1