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authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-11 16:16:03 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-11 16:16:03 -0800
commitf7909fb83550573300e72d120a7d97c9f6b53a65 (patch)
tree20810edd4c137ce011b1ef7b751440a15d4088b7 /drivers
parentc41d40b53306434628b577715487810816fca885 (diff)
parent47970b1b2aa64464bc0a9543e86361a622ae7c03 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: pci: use security_capable() when checking capablities during config space read security: add cred argument to security_capable() tpm_tis: Use timeouts returned from TPM
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/tpm/tpm.c18
-rw-r--r--drivers/char/tpm/tpm.h2
-rw-r--r--drivers/char/tpm/tpm_tis.c4
-rw-r--r--drivers/pci/pci-sysfs.c3
4 files changed, 23 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 36e0fa161c2..faf5a2c6592 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -577,9 +577,11 @@ duration:
if (rc)
return;
- if (be32_to_cpu(tpm_cmd.header.out.return_code)
- != 3 * sizeof(u32))
+ if (be32_to_cpu(tpm_cmd.header.out.return_code) != 0 ||
+ be32_to_cpu(tpm_cmd.header.out.length)
+ != sizeof(tpm_cmd.header.out) + sizeof(u32) + 3 * sizeof(u32))
return;
+
duration_cap = &tpm_cmd.params.getcap_out.cap.duration;
chip->vendor.duration[TPM_SHORT] =
usecs_to_jiffies(be32_to_cpu(duration_cap->tpm_short));
@@ -939,6 +941,18 @@ ssize_t tpm_show_caps_1_2(struct device * dev,
}
EXPORT_SYMBOL_GPL(tpm_show_caps_1_2);
+ssize_t tpm_show_timeouts(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d %d %d\n",
+ jiffies_to_usecs(chip->vendor.duration[TPM_SHORT]),
+ jiffies_to_usecs(chip->vendor.duration[TPM_MEDIUM]),
+ jiffies_to_usecs(chip->vendor.duration[TPM_LONG]));
+}
+EXPORT_SYMBOL_GPL(tpm_show_timeouts);
+
ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 72ddb031b69..d84ff772c26 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -56,6 +56,8 @@ extern ssize_t tpm_show_owned(struct device *, struct device_attribute *attr,
char *);
extern ssize_t tpm_show_temp_deactivated(struct device *,
struct device_attribute *attr, char *);
+extern ssize_t tpm_show_timeouts(struct device *,
+ struct device_attribute *attr, char *);
struct tpm_chip;
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index dd21df55689..0d1d38e5f26 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -376,6 +376,7 @@ static DEVICE_ATTR(temp_deactivated, S_IRUGO, tpm_show_temp_deactivated,
NULL);
static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps_1_2, NULL);
static DEVICE_ATTR(cancel, S_IWUSR | S_IWGRP, NULL, tpm_store_cancel);
+static DEVICE_ATTR(timeouts, S_IRUGO, tpm_show_timeouts, NULL);
static struct attribute *tis_attrs[] = {
&dev_attr_pubek.attr,
@@ -385,7 +386,8 @@ static struct attribute *tis_attrs[] = {
&dev_attr_owned.attr,
&dev_attr_temp_deactivated.attr,
&dev_attr_caps.attr,
- &dev_attr_cancel.attr, NULL,
+ &dev_attr_cancel.attr,
+ &dev_attr_timeouts.attr, NULL,
};
static struct attribute_group tis_attr_grp = {
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 8ecaac98392..f7771f336b7 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -23,6 +23,7 @@
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/capability.h>
+#include <linux/security.h>
#include <linux/pci-aspm.h>
#include <linux/slab.h>
#include "pci.h"
@@ -368,7 +369,7 @@ pci_read_config(struct file *filp, struct kobject *kobj,
u8 *data = (u8*) buf;
/* Several chips lock up trying to read undefined config space */
- if (cap_raised(filp->f_cred->cap_effective, CAP_SYS_ADMIN)) {
+ if (security_capable(filp->f_cred, CAP_SYS_ADMIN)) {
size = dev->cfg_size;
} else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) {
size = 128;