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-rw-r--r--drivers/char/tpm/tpm.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 1156d11f02d9..854475c54f0e 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -464,6 +464,7 @@ void __devexit tpm_remove(struct pci_dev *pci_dev)
pci_set_drvdata(pci_dev, NULL);
misc_deregister(&chip->vendor->miscdev);
+ kfree(&chip->vendor->miscdev.name);
sysfs_remove_group(&pci_dev->dev.kobj, chip->vendor->attr_group);
@@ -526,7 +527,9 @@ EXPORT_SYMBOL_GPL(tpm_pm_resume);
int tpm_register_hardware(struct pci_dev *pci_dev,
struct tpm_vendor_specific *entry)
{
- char devname[7];
+#define DEVNAME_SIZE 7
+
+ char *devname;
struct tpm_chip *chip;
int i, j;
@@ -569,7 +572,8 @@ dev_num_search_complete:
else
chip->vendor->miscdev.minor = MISC_DYNAMIC_MINOR;
- snprintf(devname, sizeof(devname), "%s%d", "tpm", chip->dev_num);
+ devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL);
+ scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num);
chip->vendor->miscdev.name = devname;
chip->vendor->miscdev.dev = &(pci_dev->dev);