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[93.77.45.80]) by smtp.gmail.com with ESMTPSA id q20sm1681506lfo.19.2021.08.09.02.48.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Aug 2021 02:48:49 -0700 (PDT) From: Kostiantyn Kostiuk To: qemu-devel@nongnu.org Subject: [RFC 2/4] gqa-win: get_pci_info: Use common 'cleanup' label Date: Mon, 9 Aug 2021 12:48:37 +0300 Message-Id: <20210809094839.52312-2-konstantin@daynix.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210809094839.52312-1-konstantin@daynix.com> References: <20210809094839.52312-1-konstantin@daynix.com> MIME-Version: 1.0 Received-SPF: none client-ip=2a00:1450:4864:20::133; envelope-from=konstantin@daynix.com; helo=mail-lf1-x133.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: Michael Roth , Matt Hines , Michael Roth Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" To prevent memory leaks, always try to free initialized variables. Signed-off-by: Kostiantyn Kostiuk --- qga/commands-win32.c | 25 ++++++++++++------------- 1 file changed, 12 insertions(+), 13 deletions(-) diff --git a/qga/commands-win32.c b/qga/commands-win32.c index 2ad8593b82..724ce76a0e 100644 --- a/qga/commands-win32.c +++ b/qga/commands-win32.c @@ -532,7 +532,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); if (dev_info == INVALID_HANDLE_VALUE) { error_setg_win32(errp, GetLastError(), "failed to get devices tree"); - goto out; + goto cleanup; } g_debug("enumerating devices"); @@ -562,7 +562,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) } else { error_setg_win32(errp, GetLastError(), "failed to get device interfaces"); - goto free_dev_info; + goto cleanup; } } @@ -576,7 +576,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) CloseHandle(dev_file); error_setg_win32(errp, GetLastError(), "failed to get device slot number"); - goto free_dev_info; + goto cleanup; } CloseHandle(dev_file); @@ -586,7 +586,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) } else { error_setg_win32(errp, GetLastError(), "failed to get device interfaces"); - goto free_dev_info; + goto cleanup; } g_debug("found device slot %d. Getting storage controller", number); @@ -603,7 +603,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) } else { error_setg_win32(errp, GetLastError(), "failed to get device instance ID"); - goto out; + goto cleanup; } } @@ -617,14 +617,14 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) g_error("CM_Locate_DevInst failed with code %lx", cr); error_setg_win32(errp, GetLastError(), "failed to get device instance"); - goto out; + goto cleanup; } cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0); if (cr != CR_SUCCESS) { g_error("CM_Get_Parent failed with code %lx", cr); error_setg_win32(errp, GetLastError(), "failed to get parent device instance"); - goto out; + goto cleanup; } cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0); @@ -632,7 +632,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) g_error("CM_Get_Device_ID_Size failed with code %lx", cr); error_setg_win32(errp, GetLastError(), "failed to get parent device ID length"); - goto out; + goto cleanup; } ++dev_id_size; @@ -647,7 +647,7 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) g_error("CM_Get_Device_ID failed with code %lx", cr); error_setg_win32(errp, GetLastError(), "failed to get parent device ID"); - goto out; + goto cleanup; } } @@ -661,14 +661,14 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) if (parent_dev_info == INVALID_HANDLE_VALUE) { error_setg_win32(errp, GetLastError(), "failed to get parent device"); - goto out; + goto cleanup; } parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) { error_setg_win32(errp, GetLastError(), "failed to get parent device data"); - goto out; + goto cleanup; } for (j = 0; @@ -748,11 +748,10 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp) break; } -free_dev_info: +cleanup: if (dev_info != INVALID_HANDLE_VALUE) { SetupDiDestroyDeviceInfoList(dev_info); } -out: return pci; }