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authorGreg Kroah-Hartman <gregkh@suse.de>2005-08-18 08:33:01 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2005-09-09 22:24:19 +0400
commit7bcf5c0e7fd9ab4ddb9e24d7e91bda2ac23e5678 (patch)
tree56c4e59dd09f2db0845b5851cffbf579cc86ff05 /drivers
parent2fd9d74b35efa9823f1f7d34cb421e2b9eee9650 (diff)
downloadlinux-7bcf5c0e7fd9ab4ddb9e24d7e91bda2ac23e5678.tar.xz
[PATCH] PCI: move pci core to use add_hotplug_env_var()
This fixes a bug in the environment variables for all PCI device hotplug calls. Thanks to Kay Sievers for pointing out the problem. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/hotplug.c53
1 files changed, 21 insertions, 32 deletions
diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c
index b844bc972324..10444988a10b 100644
--- a/drivers/pci/hotplug.c
+++ b/drivers/pci/hotplug.c
@@ -20,46 +20,35 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
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",
- 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;