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[73.164.224.32]) by smtp.gmail.com with ESMTPSA id t5sm3979267pgt.15.2020.11.20.12.07.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Nov 2020 12:07:31 -0800 (PST) From: Tedd Ho-Jeong An X-Google-Original-From: Tedd Ho-Jeong An To: linux-bluetooth@vger.kernel.org Cc: tedd.an@intel.com Subject: [PATCH 4/6] emulator: Fix the unchecked return value Date: Fri, 20 Nov 2020 12:07:10 -0800 Message-Id: <20201120200712.491219-4-tedd.an@intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20201120200712.491219-1-tedd.an@intel.com> References: <20201120200712.491219-1-tedd.an@intel.com> Reply-To: tedd.an@intel.com MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This patch fixes the unchecked return value. --- emulator/phy.c | 10 ++++++++-- emulator/server.c | 6 +++++- 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/emulator/phy.c b/emulator/phy.c index 4517ad107..2ae6ad3a2 100644 --- a/emulator/phy.c +++ b/emulator/phy.c @@ -115,7 +115,10 @@ static int create_rx_socket(void) if (fd < 0) return -1; - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { + close(fd); + return -1; + } memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; @@ -138,7 +141,10 @@ static int create_tx_socket(void) if (fd < 0) return -1; - setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &opt, sizeof(opt)); + if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &opt, sizeof(opt)) < 0) { + close(fd); + return -1; + } return fd; } diff --git a/emulator/server.c b/emulator/server.c index 3b07a7156..ceb417a40 100644 --- a/emulator/server.c +++ b/emulator/server.c @@ -322,7 +322,11 @@ static int open_tcp(void) return -1; } - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { + perror("Failed to set socket option"); + close(fd); + return -1; + } memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET;