X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fpci%2Fhotplug.c;h=e1743be3190938b3f7d9107c228d9c0f9aa11677;hb=17fd682e544556a2a829e94383239c029bb21c5e;hp=3903f8c559b603989068767f30bae7fceb2144f6;hpb=f2cbb4f01936a3e4225692e03b084b78c56d386d;p=powerpc.git

diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c
index 3903f8c559..e1743be319 100644
--- a/drivers/pci/hotplug.c
+++ b/drivers/pci/hotplug.c
@@ -7,7 +7,6 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
 		 char *buffer, int buffer_size)
 {
 	struct pci_dev *pdev;
-	char *scratch;
 	int i = 0;
 	int length = 0;
 
@@ -18,48 +17,34 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
 	if (!pdev)
 		return -ENODEV;
 
-	scratch = buffer;
-
-	/* stuff we want to pass to /sbin/hotplug */
-	envp[i++] = scratch;
-	length += scnprintf (scratch, buffer_size - length, "PCI_CLASS=%04X",
-			    pdev->class);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	if (add_hotplug_env_var(envp, num_envp, &i,
+				buffer, buffer_size, &length,
+				"PCI_CLASS=%04X", pdev->class))
 		return -ENOMEM;
-	++length;
-	scratch += length;
 
-	envp[i++] = scratch;
-	length += scnprintf (scratch, buffer_size - length, "PCI_ID=%04X:%04X",
-			    pdev->vendor, pdev->device);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	if (add_hotplug_env_var(envp, num_envp, &i,
+				buffer, buffer_size, &length,
+				"PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
 		return -ENOMEM;
-	++length;
-	scratch += length;
 
-	envp[i++] = scratch;
-	length += scnprintf (scratch, buffer_size - length,
-			    "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
-			    pdev->subsystem_device);
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	if (add_hotplug_env_var(envp, num_envp, &i,
+				buffer, buffer_size, &length,
+				"PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
+				pdev->subsystem_device))
 		return -ENOMEM;
-	++length;
-	scratch += length;
 
-	envp[i++] = scratch;
-	length += scnprintf (scratch, buffer_size - length, "PCI_SLOT_NAME=%s",
-			    pci_name(pdev));
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	if (add_hotplug_env_var(envp, num_envp, &i,
+				buffer, buffer_size, &length,
+				"PCI_SLOT_NAME=%s", pci_name(pdev)))
 		return -ENOMEM;
 
-	envp[i++] = scratch;
-	length += scnprintf (scratch, buffer_size - length,
-			    "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x\n",
-			    pdev->vendor, pdev->device,
-			    pdev->subsystem_vendor, pdev->subsystem_device,
-			    (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
-			    (u8)(pdev->class));
-	if ((buffer_size - length <= 0) || (i >= num_envp))
+	if (add_hotplug_env_var(envp, num_envp, &i,
+				buffer, buffer_size, &length,
+				"MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
+				pdev->vendor, pdev->device,
+				pdev->subsystem_vendor, pdev->subsystem_device,
+				(u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
+				(u8)(pdev->class)))
 		return -ENOMEM;
 
 	envp[i] = NULL;