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authorKostiantyn Kostiuk <konstantin@daynix.com>2021-08-03 10:11:48 +0000
committerKostiantyn Kostiuk <konstantin@daynix.com>2022-01-10 13:04:23 +0000
commite78ca586d66e0d2001a6caef90bf7361f3ef3ad1 (patch)
tree62d53bc95e9004282d373bd81198ea8e2c68e3e7
parentd0b896a7495b71313c43aff4329714ade56799d4 (diff)
downloadfocaccia-qemu-e78ca586d66e0d2001a6caef90bf7361f3ef3ad1.tar.gz
focaccia-qemu-e78ca586d66e0d2001a6caef90bf7361f3ef3ad1.zip
gqa-win: get_pci_info: Use common 'end' label
To prevent memory leaks, always try to free initialized variables.

Signed-off-by: Kostiantyn Kostiuk <konstantin@daynix.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
-rw-r--r--qga/commands-win32.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/qga/commands-win32.c b/qga/commands-win32.c
index 3dd74fe225..93c5375132 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 end;
     }
 
     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 end;
                 }
             }
 
@@ -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 end;
             }
 
             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 end;
         }
 
         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 end;
                 }
             }
 
@@ -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 end;
             }
             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 end;
             }
 
             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 end;
             }
 
             ++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 end;
             }
         }
 
@@ -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 end;
         }
 
         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 end;
         }
 
         for (j = 0;
@@ -748,11 +748,10 @@ static GuestPCIAddress *get_pci_info(int number, Error **errp)
         break;
     }
 
-free_dev_info:
+end:
     if (dev_info != INVALID_HANDLE_VALUE) {
         SetupDiDestroyDeviceInfoList(dev_info);
     }
-out:
     return pci;
 }