I was using invalid memory for the miscdevice.name. This patch fixes
the problem which was manifested by an ugly entry in /proc/misc.
Signed-off-by: Kylene Hall <[email protected]>
---
Index: drivers/char/tpm/tpm.c
===================================================================
RCS file: /cvsroot/tpmdd/tpmdd/drivers/char/tpm/tpm.c,v
retrieving revision 1.28
diff -u -p -r1.28 tpm.c
--- ./drivers/char/tpm/tpm.c 15 Jun 2005 17:15:18 -0000 1.28
+++ ./drivers/char/tpm/tpm.c 23 Jun 2005 21:37:46 -0000
@@ -488,6 +497,7 @@ void __devexit tpm_remove(struct 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);
@@ -551,7 +561,9 @@ 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;
@@ -594,7 +606,8 @@ 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);
-
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