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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id cp5-20020a056638480500b0032ea3ba170dsm7053024jab.86.2022.06.07.13.14.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jun 2022 13:14:34 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Cc: arrowd@freebsd.org, def@freebsd.org, jrtc27@FreeBSD.org, Warner Losh , Kyle Evans Subject: [PATCH 2/6] bsd-user/freebsd/os-syscall.c: unlock_iovec Date: Tue, 7 Jun 2022 14:14:36 -0600 Message-Id: <20220607201440.41464-3-imp@bsdimp.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220607201440.41464-1-imp@bsdimp.com> References: <20220607201440.41464-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=2607:f8b0:4864:20::12d; envelope-from=imp@bsdimp.com; helo=mail-il1-x12d.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 c41ef0eda40..510307f29d9 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -186,6 +186,20 @@ fail2: return NULL; } +void unlock_iovec(struct iovec *vec, abi_ulong target_addr, + int count, int copy) +{ + struct target_iovec *target_vec; + + target_vec = 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 errnos -- 2.33.1