Merge tag 'lsk-v4.4-17.07-android' of git://git.linaro.org/kernel/linux-linaro-stable.git

LSK 17.07 v4.4-android

* tag 'lsk-v4.4-17.07-android': (402 commits)
  dt/vendor-prefixes: remove redundant vendor
  Linux 4.4.77
  saa7134: fix warm Medion 7134 EEPROM read
  x86/mm/pat: Don't report PAT on CPUs that don't support it
  ext4: check return value of kstrtoull correctly in reserved_clusters_store
  staging: comedi: fix clean-up of comedi_class in comedi_init()
  staging: vt6556: vnt_start Fix missing call to vnt_key_init_table.
  tcp: fix tcp_mark_head_lost to check skb len before fragmenting
  md: fix super_offset endianness in super_1_rdev_size_change
  md: fix incorrect use of lexx_to_cpu in does_sb_need_changing
  perf tools: Use readdir() instead of deprecated readdir_r() again
  perf tests: Remove wrong semicolon in while loop in CQM test
  perf trace: Do not process PERF_RECORD_LOST twice
  perf dwarf: Guard !x86_64 definitions under #ifdef else clause
  perf pmu: Fix misleadingly indented assignment (whitespace)
  perf annotate browser: Fix behaviour of Shift-Tab with nothing focussed
  perf tools: Remove duplicate const qualifier
  perf script: Use readdir() instead of deprecated readdir_r()
  perf thread_map: Use readdir() instead of deprecated readdir_r()
  perf tools: Use readdir() instead of deprecated readdir_r()
  ...

Conflicts:
	Makefile
	drivers/Kconfig
	drivers/Makefile
	drivers/usb/dwc3/gadget.c

Change-Id: Ib4aae2e34ebbf0d7953c748a33f673acb3e744fc

4 files changed, 6 insertions, 6 deletions

diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 696ccfa08d10..31898856682e 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -428,7 +428,7 @@ static int init_blkcipher_desc(struct blkcipher_desc *desc, const u8 *key,
 static struct key *request_master_key(struct encrypted_key_payload *epayload,
 				      const u8 **master_key, size_t *master_keylen)
 {
-	struct key *mkey = NULL;
+	struct key *mkey = ERR_PTR(-EINVAL);
 
 	if (!strncmp(epayload->master_desc, KEY_TRUSTED_PREFIX,
 		     KEY_TRUSTED_PREFIX_LEN)) {
diff --git a/security/keys/key.c b/security/keys/key.c
index 534808915371..09c10b181881 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -934,12 +934,11 @@ int key_update(key_ref_t key_ref, const void *payload, size_t plen)
 	/* the key must be writable */
 	ret = key_permission(key_ref, KEY_NEED_WRITE);
 	if (ret < 0)
-		goto error;
+		return ret;
 
 	/* attempt to update it if supported */
-	ret = -EOPNOTSUPP;
 	if (!key->type->update)
-		goto error;
+		return -EOPNOTSUPP;
 
 	memset(&prep, 0, sizeof(prep));
 	prep.data = payload;
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 442e350c209d..671709d8610d 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -97,7 +97,7 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type,
 	/* pull the payload in if one was supplied */
 	payload = NULL;
 
-	if (_payload) {
+	if (plen) {
 		ret = -ENOMEM;
 		payload = kmalloc(plen, GFP_KERNEL | __GFP_NOWARN);
 		if (!payload) {
@@ -327,7 +327,7 @@ long keyctl_update_key(key_serial_t id,
 
 	/* pull the payload in if one was supplied */
 	payload = NULL;
-	if (_payload) {
+	if (plen) {
 		ret = -ENOMEM;
 		payload = kmalloc(plen, GFP_KERNEL);
 		if (!payload)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 2bc8b555bca9..34427384605d 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -740,6 +740,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
 		sbsec->flags |= SE_SBPROC | SE_SBGENFS;
 
 	if (!strcmp(sb->s_type->name, "debugfs") ||
+	    !strcmp(sb->s_type->name, "tracefs") ||
 	    !strcmp(sb->s_type->name, "sysfs") ||
 	    !strcmp(sb->s_type->name, "pstore"))
 		sbsec->flags |= SE_SBGENFS;