Merge tag 'tpmdd-v6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm fixes from Jarkko Sakkinen:
 "I picked up three small scale updates that I think would improve the
  quality of the release"

* tag 'tpmdd-v6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm_tis: Explicitly check for error code
  tpm: Switch i2c drivers back to use .probe()
  security: keys: perform capable check only on privileged operations

Author: torvalds

drivers/char/tpm/st33zp24/i2c.c

@@ -160,7 +160,7 @@ static struct i2c_driver st33zp24_i2c_driver = {
 		.of_match_table = of_match_ptr(of_st33zp24_i2c_match),
 		.acpi_match_table = ACPI_PTR(st33zp24_i2c_acpi_match),
 	},
-	.probe_new = st33zp24_i2c_probe,
+	.probe = st33zp24_i2c_probe,
 	.remove = st33zp24_i2c_remove,
 	.id_table = st33zp24_i2c_id
 };

drivers/char/tpm/tpm_i2c_atmel.c

@@ -203,7 +203,7 @@ static SIMPLE_DEV_PM_OPS(i2c_atmel_pm_ops, tpm_pm_suspend, tpm_pm_resume);
 
 static struct i2c_driver i2c_atmel_driver = {
 	.id_table = i2c_atmel_id,
-	.probe_new = i2c_atmel_probe,
+	.probe = i2c_atmel_probe,
 	.remove = i2c_atmel_remove,
 	.driver = {
 		.name = I2C_DRIVER_NAME,

drivers/char/tpm/tpm_i2c_infineon.c

@@ -716,7 +716,7 @@ static void tpm_tis_i2c_remove(struct i2c_client *client)
 
 static struct i2c_driver tpm_tis_i2c_driver = {
 	.id_table = tpm_tis_i2c_table,
-	.probe_new = tpm_tis_i2c_probe,
+	.probe = tpm_tis_i2c_probe,
 	.remove = tpm_tis_i2c_remove,
 	.driver = {
 		   .name = "tpm_i2c_infineon",

drivers/char/tpm/tpm_i2c_nuvoton.c

@@ -650,7 +650,7 @@ static SIMPLE_DEV_PM_OPS(i2c_nuvoton_pm_ops, tpm_pm_suspend, tpm_pm_resume);
 
 static struct i2c_driver i2c_nuvoton_driver = {
 	.id_table = i2c_nuvoton_id,
-	.probe_new = i2c_nuvoton_probe,
+	.probe = i2c_nuvoton_probe,
 	.remove = i2c_nuvoton_remove,
 	.driver = {
 		.name = "tpm_i2c_nuvoton",

drivers/char/tpm/tpm_tis_core.c

@@ -366,8 +366,13 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 		goto out;
 	}
 
-	size += recv_data(chip, &buf[TPM_HEADER_SIZE],
-			  expected - TPM_HEADER_SIZE);
+	rc = recv_data(chip, &buf[TPM_HEADER_SIZE],
+		       expected - TPM_HEADER_SIZE);
+	if (rc < 0) {
+		size = rc;
+		goto out;
+	}
+	size += rc;
 	if (size < expected) {
 		dev_err(&chip->dev, "Unable to read remainder of result\n");
 		size = -ETIME;

drivers/char/tpm/tpm_tis_i2c.c

@@ -394,7 +394,7 @@ static struct i2c_driver tpm_tis_i2c_driver = {
 		.pm = &tpm_tis_pm,
 		.of_match_table = of_match_ptr(of_tis_i2c_match),
 	},
-	.probe_new = tpm_tis_i2c_probe,
+	.probe = tpm_tis_i2c_probe,
 	.remove = tpm_tis_i2c_remove,
 	.id_table = tpm_tis_i2c_id,
 };

drivers/char/tpm/tpm_tis_i2c_cr50.c

@@ -779,7 +779,7 @@ static void tpm_cr50_i2c_remove(struct i2c_client *client)
 static SIMPLE_DEV_PM_OPS(cr50_i2c_pm, tpm_pm_suspend, tpm_pm_resume);
 
 static struct i2c_driver cr50_i2c_driver = {
-	.probe_new = tpm_cr50_i2c_probe,
+	.probe = tpm_cr50_i2c_probe,
 	.remove = tpm_cr50_i2c_remove,
 	.driver = {
 		.name = "cr50_i2c",

security/keys/keyctl.c

@@ -980,14 +980,19 @@ long keyctl_chown_key(key_serial_t id, uid_t user, gid_t group)
 	ret = -EACCES;
 	down_write(&key->sem);
 
-	if (!capable(CAP_SYS_ADMIN)) {
+	{
+		bool is_privileged_op = false;
+
 		/* only the sysadmin can chown a key to some other UID */
 		if (user != (uid_t) -1 && !uid_eq(key->uid, uid))
-			goto error_put;
+			is_privileged_op = true;
 
 		/* only the sysadmin can set the key's GID to a group other
 		 * than one of those that the current process subscribes to */
 		if (group != (gid_t) -1 && !gid_eq(gid, key->gid) && !in_group_p(gid))
+			is_privileged_op = true;
+
+		if (is_privileged_op && !capable(CAP_SYS_ADMIN))
 			goto error_put;
 	}
 
@@ -1088,7 +1093,7 @@ long keyctl_setperm_key(key_serial_t id, key_perm_t perm)
 	down_write(&key->sem);
 
 	/* if we're not the sysadmin, we can only change a key that we own */
-	if (capable(CAP_SYS_ADMIN) || uid_eq(key->uid, current_fsuid())) {
+	if (uid_eq(key->uid, current_fsuid()) || capable(CAP_SYS_ADMIN)) {
 		key->perm = perm;
 		notify_key(key, NOTIFY_KEY_SETATTR, 0);
 		ret = 0;