This is the 4.4.159 stable release

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Merge 4.4.159 into android-4.4

Changes in 4.4.159
	NFC: Fix possible memory corruption when handling SHDLC I-Frame commands
	NFC: Fix the number of pipes
	ASoC: cs4265: fix MMTLR Data switch control
	ALSA: bebob: use address returned by kmalloc() instead of kernel stack for streaming DMA mapping
	ALSA: emu10k1: fix possible info leak to userspace on SNDRV_EMU10K1_IOCTL_INFO
	platform/x86: alienware-wmi: Correct a memory leak
	xen/netfront: don't bug in case of too many frags
	xen/x86/vpmu: Zero struct pt_regs before calling into sample handling code
	ring-buffer: Allow for rescheduling when removing pages
	mm: shmem.c: Correctly annotate new inodes for lockdep
	gso_segment: Reset skb->mac_len after modifying network header
	ipv6: fix possible use-after-free in ip6_xmit()
	net/appletalk: fix minor pointer leak to userspace in SIOCFINDIPDDPRT
	net: hp100: fix always-true check for link up state
	neighbour: confirm neigh entries when ARP packet is received
	scsi: target: iscsi: Use hex2bin instead of a re-implementation
	ocfs2: fix ocfs2 read block panic
	drm/nouveau/drm/nouveau: Use pm_runtime_get_noresume() in connector_detect()
	tty: vt_ioctl: fix potential Spectre v1
	ext4: avoid divide by zero fault when deleting corrupted inline directories
	ext4: recalucate superblock checksum after updating free blocks/inodes
	ext4: fix online resize's handling of a too-small final block group
	ext4: fix online resizing for bigalloc file systems with a 1k block size
	ext4: don't mark mmp buffer head dirty
	arm64: Add trace_hardirqs_off annotation in ret_to_user
	HID: sony: Update device ids
	HID: sony: Support DS4 dongle
	iw_cxgb4: only allow 1 flush on user qps
	Linux 4.4.159

Change-Id: I98239ca60783ca69147f2f11034138fc22e2af65
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

Makefile

@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 158
+SUBLEVEL = 159
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 

arch/x86/xen/pmu.c

@@ -477,7 +477,7 @@ static void xen_convert_regs(const struct xen_pmu_regs *xen_regs,
 irqreturn_t xen_pmu_irq_handler(int irq, void *dev_id)
 {
 	int err, ret = IRQ_NONE;
-	struct pt_regs regs;
+	struct pt_regs regs = {0};
 	const struct xen_pmu_data *xenpmu_data = get_xenpmu_data();
 	uint8_t xenpmu_flags = get_xenpmu_flags();
 

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -253,12 +253,16 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
 		nv_connector->edid = NULL;
 	}
 
-	/* Outputs are only polled while runtime active, so acquiring a
+	/* Outputs are only polled while runtime active, so resuming the
-	 * runtime PM ref here is unnecessary (and would deadlock upon
+	 * device here is unnecessary (and would deadlock upon runtime suspend
-	 * runtime suspend because it waits for polling to finish).
+	 * because it waits for polling to finish). We do however, want to
+	 * prevent the autosuspend timer from elapsing during this operation
+	 * if possible.
 	 */
-	if (!drm_kms_helper_is_poll_worker()) {
+	if (drm_kms_helper_is_poll_worker()) {
-		ret = pm_runtime_get_sync(connector->dev->dev);
+		pm_runtime_get_noresume(dev->dev);
+	} else {
+		ret = pm_runtime_get_sync(dev->dev);
 		if (ret < 0 && ret != -EACCES)
 			return conn_status;
 	}
@@ -329,10 +333,8 @@ detect_analog:
 
  out:
 
-	if (!drm_kms_helper_is_poll_worker()) {
+	pm_runtime_mark_last_busy(dev->dev);
-		pm_runtime_mark_last_busy(connector->dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
-		pm_runtime_put_autosuspend(connector->dev->dev);
-	}
 
 	return conn_status;
 }

drivers/hid/hid-core.c

@@ -2011,6 +2011,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },

drivers/hid/hid-ids.h

@@ -879,6 +879,8 @@
 #define USB_DEVICE_ID_SONY_PS3_BDREMOTE		0x0306
 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER	0x0268
 #define USB_DEVICE_ID_SONY_PS4_CONTROLLER	0x05c4
+#define USB_DEVICE_ID_SONY_PS4_CONTROLLER_2	0x09cc
+#define USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE	0x0ba0
 #define USB_DEVICE_ID_SONY_MOTION_CONTROLLER	0x03d5
 #define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER	0x042f
 #define USB_DEVICE_ID_SONY_BUZZ_CONTROLLER		0x0002

drivers/hid/hid-sony.c

@@ -2460,6 +2460,12 @@ static const struct hid_device_id sony_devices[] = {
 		.driver_data = DUALSHOCK4_CONTROLLER_USB },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
 		.driver_data = DUALSHOCK4_CONTROLLER_BT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
+		.driver_data = DUALSHOCK4_CONTROLLER_USB },
+	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2),
+		.driver_data = DUALSHOCK4_CONTROLLER_BT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE),
+		.driver_data = DUALSHOCK4_CONTROLLER_USB },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, sony_devices);

drivers/infiniband/hw/cxgb4/qp.c

@@ -1183,6 +1183,12 @@ static void flush_qp(struct c4iw_qp *qhp)
 
 	t4_set_wq_in_error(&qhp->wq);
 	if (qhp->ibqp.uobject) {
+
+		/* for user qps, qhp->wq.flushed is protected by qhp->mutex */
+		if (qhp->wq.flushed)
+			return;
+
+		qhp->wq.flushed = 1;
 		t4_set_cq_in_error(&rchp->cq);
 		spin_lock_irqsave(&rchp->comp_handler_lock, flag);
 		(*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);

drivers/net/appletalk/ipddp.c

@@ -284,8 +284,12 @@ static int ipddp_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
                 case SIOCFINDIPDDPRT:
 			spin_lock_bh(&ipddp_route_lock);
 			rp = __ipddp_find_route(&rcp);
-			if (rp)
+			if (rp) {
-				memcpy(&rcp2, rp, sizeof(rcp2));
+				memset(&rcp2, 0, sizeof(rcp2));
+				rcp2.ip    = rp->ip;
+				rcp2.at    = rp->at;
+				rcp2.flags = rp->flags;
+			}
 			spin_unlock_bh(&ipddp_route_lock);
 
 			if (rp) {

drivers/net/ethernet/hp/hp100.c

@@ -2636,7 +2636,7 @@ static int hp100_login_to_vg_hub(struct net_device *dev, u_short force_relogin)
 		/* Wait for link to drop */
 		time = jiffies + (HZ / 10);
 		do {
-			if (~(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST))
+			if (!(hp100_inb(VG_LAN_CFG_1) & HP100_LINK_UP_ST))
 				break;
 			if (!in_interrupt())
 				schedule_timeout_interruptible(1);

drivers/net/xen-netfront.c

@@ -892,7 +892,11 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue,
 			BUG_ON(pull_to <= skb_headlen(skb));
 			__pskb_pull_tail(skb, pull_to - skb_headlen(skb));
 		}
-		BUG_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS);
+		if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
+			queue->rx.rsp_cons = ++cons;
+			kfree_skb(nskb);
+			return ~0U;
+		}
 
 		skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
 				skb_frag_page(nfrag),
@@ -1029,6 +1033,8 @@ err:
 		skb->len += rx->status;
 
 		i = xennet_fill_frags(queue, skb, &tmpq);
+		if (unlikely(i == ~0U))
+			goto err;
 
 		if (rx->flags & XEN_NETRXF_csum_blank)
 			skb->ip_summed = CHECKSUM_PARTIAL;

drivers/platform/x86/alienware-wmi.c

@@ -463,6 +463,7 @@ static acpi_status alienware_hdmi_command(struct hdmi_args *in_args,
 		if (obj && obj->type == ACPI_TYPE_INTEGER)
 			*out_data = (u32) obj->integer.value;
 	}
+	kfree(output.pointer);
 	return status;
 
 }

drivers/target/iscsi/iscsi_target_auth.c

@@ -26,18 +26,6 @@
 #include "iscsi_target_nego.h"
 #include "iscsi_target_auth.h"
 
-static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
-{
-	int j = DIV_ROUND_UP(len, 2), rc;
-
-	rc = hex2bin(dst, src, j);
-	if (rc < 0)
-		pr_debug("CHAP string contains non hex digit symbols\n");
-
-	dst[j] = '\0';
-	return j;
-}
-
 static void chap_binaryhex_to_asciihex(char *dst, char *src, int src_len)
 {
 	int i;
@@ -241,9 +229,16 @@ static int chap_server_compute_md5(
 		pr_err("Could not find CHAP_R.\n");
 		goto out;
 	}
+	if (strlen(chap_r) != MD5_SIGNATURE_SIZE * 2) {
+		pr_err("Malformed CHAP_R\n");
+		goto out;
+	}
+	if (hex2bin(client_digest, chap_r, MD5_SIGNATURE_SIZE) < 0) {
+		pr_err("Malformed CHAP_R\n");
+		goto out;
+	}
 
 	pr_debug("[server] Got CHAP_R=%s\n", chap_r);
-	chap_string_to_hex(client_digest, chap_r, strlen(chap_r));
 
 	tfm = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(tfm)) {
@@ -348,9 +343,7 @@ static int chap_server_compute_md5(
 		pr_err("Could not find CHAP_C.\n");
 		goto out;
 	}
-	pr_debug("[server] Got CHAP_C=%s\n", challenge);
+	challenge_len = DIV_ROUND_UP(strlen(challenge), 2);
-	challenge_len = chap_string_to_hex(challenge_binhex, challenge,
-				strlen(challenge));
 	if (!challenge_len) {
 		pr_err("Unable to convert incoming challenge\n");
 		goto out;
@@ -359,6 +352,11 @@ static int chap_server_compute_md5(
 		pr_err("CHAP_C exceeds maximum binary size of 1024 bytes\n");
 		goto out;
 	}
+	if (hex2bin(challenge_binhex, challenge, challenge_len) < 0) {
+		pr_err("Malformed CHAP_C\n");
+		goto out;
+	}
+	pr_debug("[server] Got CHAP_C=%s\n", challenge);
 	/*
 	 * During mutual authentication, the CHAP_C generated by the
 	 * initiator must not match the original CHAP_C generated by

drivers/tty/vt/vt_ioctl.c

@@ -31,6 +31,8 @@
 #include <asm/io.h>
 #include <asm/uaccess.h>
 
+#include <linux/nospec.h>
+
 #include <linux/kbd_kern.h>
 #include <linux/vt_kern.h>
 #include <linux/kbd_diacr.h>
@@ -703,6 +705,8 @@ int vt_ioctl(struct tty_struct *tty,
 		if (vsa.console == 0 || vsa.console > MAX_NR_CONSOLES)
 			ret = -ENXIO;
 		else {
+			vsa.console = array_index_nospec(vsa.console,
+							 MAX_NR_CONSOLES + 1);
 			vsa.console--;
 			console_lock();
 			ret = vc_allocate(vsa.console);

fs/ext4/dir.c

@@ -74,7 +74,7 @@ int __ext4_check_dir_entry(const char *function, unsigned int line,
 	else if (unlikely(rlen < EXT4_DIR_REC_LEN(de->name_len)))
 		error_msg = "rec_len is too small for name_len";
 	else if (unlikely(((char *) de - buf) + rlen > size))
-		error_msg = "directory entry across range";
+		error_msg = "directory entry overrun";
 	else if (unlikely(le32_to_cpu(de->inode) >
 			le32_to_cpu(EXT4_SB(dir->i_sb)->s_es->s_inodes_count)))
 		error_msg = "inode out of bounds";
@@ -83,18 +83,16 @@ int __ext4_check_dir_entry(const char *function, unsigned int line,
 
 	if (filp)
 		ext4_error_file(filp, function, line, bh->b_blocknr,
-				"bad entry in directory: %s - offset=%u(%u), "
+				"bad entry in directory: %s - offset=%u, "
-				"inode=%u, rec_len=%d, name_len=%d",
+				"inode=%u, rec_len=%d, name_len=%d, size=%d",
-				error_msg, (unsigned) (offset % size),
+				error_msg, offset, le32_to_cpu(de->inode),
-				offset, le32_to_cpu(de->inode),
+				rlen, de->name_len, size);
-				rlen, de->name_len);
 	else
 		ext4_error_inode(dir, function, line, bh->b_blocknr,
-				"bad entry in directory: %s - offset=%u(%u), "
+				"bad entry in directory: %s - offset=%u, "
-				"inode=%u, rec_len=%d, name_len=%d",
+				"inode=%u, rec_len=%d, name_len=%d, size=%d",
-				error_msg, (unsigned) (offset % size),
+				 error_msg, offset, le32_to_cpu(de->inode),
-				offset, le32_to_cpu(de->inode),
+				 rlen, de->name_len, size);
-				rlen, de->name_len);
 
 	return 1;
 }

fs/ext4/inline.c

@@ -1770,6 +1770,7 @@ int empty_inline_dir(struct inode *dir, int *has_inline_data)
 {
 	int err, inline_size;
 	struct ext4_iloc iloc;
+	size_t inline_len;
 	void *inline_pos;
 	unsigned int offset;
 	struct ext4_dir_entry_2 *de;
@@ -1797,8 +1798,9 @@ int empty_inline_dir(struct inode *dir, int *has_inline_data)
 		goto out;
 	}
 
+	inline_len = ext4_get_inline_size(dir);
 	offset = EXT4_INLINE_DOTDOT_SIZE;
-	while (offset < dir->i_size) {
+	while (offset < inline_len) {
 		de = ext4_get_inline_entry(dir, &iloc, offset,
 					   &inline_pos, &inline_size);
 		if (ext4_check_dir_entry(dir, NULL, de,

fs/ext4/mmp.c

@@ -48,7 +48,6 @@ static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
 	 */
 	sb_start_write(sb);
 	ext4_mmp_csum_set(sb, mmp);
-	mark_buffer_dirty(bh);
 	lock_buffer(bh);
 	bh->b_end_io = end_buffer_write_sync;
 	get_bh(bh);

fs/ext4/resize.c

@@ -18,6 +18,7 @@
 
 int ext4_resize_begin(struct super_block *sb)
 {
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	int ret = 0;
 
 	if (!capable(CAP_SYS_RESOURCE))
@@ -28,7 +29,7 @@ int ext4_resize_begin(struct super_block *sb)
          * because the user tools have no way of handling this.  Probably a
          * bad time to do it anyways.
          */
-	if (EXT4_SB(sb)->s_sbh->b_blocknr !=
+	if (EXT4_B2C(sbi, sbi->s_sbh->b_blocknr) !=
 	    le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
 		ext4_warning(sb, "won't resize using backup superblock at %llu",
 			(unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
@@ -1954,6 +1955,26 @@ retry:
 		}
 	}
 
+	/*
+	 * Make sure the last group has enough space so that it's
+	 * guaranteed to have enough space for all metadata blocks
+	 * that it might need to hold.  (We might not need to store
+	 * the inode table blocks in the last block group, but there
+	 * will be cases where this might be needed.)
+	 */
+	if ((ext4_group_first_block_no(sb, n_group) +
+	     ext4_group_overhead_blocks(sb, n_group) + 2 +
+	     sbi->s_itb_per_group + sbi->s_cluster_ratio) >= n_blocks_count) {
+		n_blocks_count = ext4_group_first_block_no(sb, n_group);
+		n_group--;
+		n_blocks_count_retry = 0;
+		if (resize_inode) {
+			iput(resize_inode);
+			resize_inode = NULL;
+		}
+		goto retry;
+	}
+
 	/* extend the last group */
 	if (n_group == o_group)
 		add = n_blocks_count - o_blocks_count;

fs/ext4/super.c

@@ -4023,11 +4023,13 @@ no_journal:
 	block = ext4_count_free_clusters(sb);
 	ext4_free_blocks_count_set(sbi->s_es, 
 				   EXT4_C2B(sbi, block));
+	ext4_superblock_csum_set(sb);
 	err = percpu_counter_init(&sbi->s_freeclusters_counter, block,
 				  GFP_KERNEL);
 	if (!err) {
 		unsigned long freei = ext4_count_free_inodes(sb);
 		sbi->s_es->s_free_inodes_count = cpu_to_le32(freei);
+		ext4_superblock_csum_set(sb);
 		err = percpu_counter_init(&sbi->s_freeinodes_counter, freei,
 					  GFP_KERNEL);
 	}

fs/ocfs2/buffer_head_io.c

@@ -336,6 +336,7 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
 				 * for this bh as it's not marked locally
 				 * uptodate. */
 				status = -EIO;
+				clear_buffer_needs_validate(bh);
 				put_bh(bh);
 				bhs[i] = NULL;
 				continue;

include/net/nfc/hci.h

@@ -87,7 +87,7 @@ struct nfc_hci_pipe {
  * According to specification 102 622 chapter 4.4 Pipes,
  * the pipe identifier is 7 bits long.
  */
-#define NFC_HCI_MAX_PIPES		127
+#define NFC_HCI_MAX_PIPES		128
 struct nfc_hci_init_data {
 	u8 gate_count;
 	struct nfc_hci_gate gates[NFC_HCI_MAX_CUSTOM_GATES];

kernel/trace/ring_buffer.c

@@ -1513,6 +1513,8 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned long nr_pages)
 	tmp_iter_page = first_page;
 
 	do {
+		cond_resched();
+
 		to_remove_page = tmp_iter_page;
 		rb_inc_page(cpu_buffer, &tmp_iter_page);
 

mm/shmem.c

@@ -1464,6 +1464,8 @@ static struct inode *shmem_get_inode(struct super_block *sb, const struct inode
 			mpol_shared_policy_init(&info->policy, NULL);
 			break;
 		}
+
+		lockdep_annotate_inode_mutex_key(inode);
 	} else
 		shmem_free_inode(sb);
 	return inode;

net/core/neighbour.c

@@ -1140,6 +1140,12 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 		lladdr = neigh->ha;
 	}
 
+	/* Update confirmed timestamp for neighbour entry after we
+	 * received ARP packet even if it doesn't change IP to MAC binding.
+	 */
+	if (new & NUD_CONNECTED)
+		neigh->confirmed = jiffies;
+
 	/* If entry was valid and address is not changed,
 	   do not change entry state, if new one is STALE.
 	 */
@@ -1163,15 +1169,12 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 		}
 	}
 
-	/* Update timestamps only once we know we will make a change to the
+	/* Update timestamp only once we know we will make a change to the
 	 * neighbour entry. Otherwise we risk to move the locktime window with
 	 * noop updates and ignore relevant ARP updates.
 	 */
-	if (new != old || lladdr != neigh->ha) {
+	if (new != old || lladdr != neigh->ha)
-		if (new & NUD_CONNECTED)
-			neigh->confirmed = jiffies;
 		neigh->updated = jiffies;
-	}
 
 	if (new != old) {
 		neigh_del_timer(neigh);

net/ipv4/af_inet.c

@@ -1299,6 +1299,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
 		if (encap)
 			skb_reset_inner_headers(skb);
 		skb->network_header = (u8 *)iph - skb->head;
+		skb_reset_mac_len(skb);
 	} while ((skb = skb->next));
 
 out:

net/ipv6/ip6_offload.c

@@ -118,6 +118,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
 		ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff);
 		ipv6h->payload_len = htons(skb->len - nhoff - sizeof(*ipv6h));
 		skb->network_header = (u8 *)ipv6h - skb->head;
+		skb_reset_mac_len(skb);
 
 		if (udpfrag) {
 			int err = ip6_find_1stfragopt(skb, &prevhdr);

net/ipv6/ip6_output.c

@@ -193,12 +193,10 @@ int ip6_xmit(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
 				kfree_skb(skb);
 				return -ENOBUFS;
 			}
+			if (skb->sk)
+				skb_set_owner_w(skb2, skb->sk);
 			consume_skb(skb);
 			skb = skb2;
-			/* skb_set_owner_w() changes sk->sk_wmem_alloc atomically,
-			 * it is safe to call in our context (socket lock not held)
-			 */
-			skb_set_owner_w(skb, (struct sock *)sk);
 		}
 		if (opt->opt_flen)
 			ipv6_push_frag_opts(skb, opt, &proto);

sound/firewire/bebob/bebob_maudio.c

@@ -96,17 +96,13 @@ int snd_bebob_maudio_load_firmware(struct fw_unit *unit)
 	struct fw_device *device = fw_parent_device(unit);
 	int err, rcode;
 	u64 date;
-	__le32 cues[3] = {
+	__le32 *cues;
-		cpu_to_le32(MAUDIO_BOOTLOADER_CUE1),
-		cpu_to_le32(MAUDIO_BOOTLOADER_CUE2),
-		cpu_to_le32(MAUDIO_BOOTLOADER_CUE3)
-	};
 
 	/* check date of software used to build */
 	err = snd_bebob_read_block(unit, INFO_OFFSET_SW_DATE,
 				   &date, sizeof(u64));
 	if (err < 0)
-		goto end;
+		return err;
 	/*
 	 * firmware version 5058 or later has date later than "20070401", but
 	 * 'date' is not null-terminated.
@@ -114,20 +110,28 @@ int snd_bebob_maudio_load_firmware(struct fw_unit *unit)
 	if (date < 0x3230303730343031LL) {
 		dev_err(&unit->device,
 			"Use firmware version 5058 or later\n");
-		err = -ENOSYS;
+		return -ENXIO;
-		goto end;
 	}
 
+	cues = kmalloc_array(3, sizeof(*cues), GFP_KERNEL);
+	if (!cues)
+		return -ENOMEM;
+
+	cues[0] = cpu_to_le32(MAUDIO_BOOTLOADER_CUE1);
+	cues[1] = cpu_to_le32(MAUDIO_BOOTLOADER_CUE2);
+	cues[2] = cpu_to_le32(MAUDIO_BOOTLOADER_CUE3);
+
 	rcode = fw_run_transaction(device->card, TCODE_WRITE_BLOCK_REQUEST,
 				   device->node_id, device->generation,
 				   device->max_speed, BEBOB_ADDR_REG_REQ,
-				   cues, sizeof(cues));
+				   cues, 3 * sizeof(*cues));
+	kfree(cues);
 	if (rcode != RCODE_COMPLETE) {
 		dev_err(&unit->device,
 			"Failed to send a cue to load firmware\n");
 		err = -EIO;
 	}
-end:
+
 	return err;
 }
 

sound/pci/emu10k1/emufx.c

@@ -2520,7 +2520,7 @@ static int snd_emu10k1_fx8010_ioctl(struct snd_hwdep * hw, struct file *file, un
 		emu->support_tlv = 1;
 		return put_user(SNDRV_EMU10K1_VERSION, (int __user *)argp);
 	case SNDRV_EMU10K1_IOCTL_INFO:
-		info = kmalloc(sizeof(*info), GFP_KERNEL);
+		info = kzalloc(sizeof(*info), GFP_KERNEL);
 		if (!info)
 			return -ENOMEM;
 		snd_emu10k1_fx8010_info(emu, info);

sound/soc/codecs/cs4265.c

@@ -157,8 +157,8 @@ static const struct snd_kcontrol_new cs4265_snd_controls[] = {
 	SOC_SINGLE("Validity Bit Control Switch", CS4265_SPDIF_CTL2,
 				3, 1, 0),
 	SOC_ENUM("SPDIF Mono/Stereo", spdif_mono_stereo_enum),
-	SOC_SINGLE("MMTLR Data Switch", 0,
+	SOC_SINGLE("MMTLR Data Switch", CS4265_SPDIF_CTL2,
-				1, 1, 0),
+				0, 1, 0),
 	SOC_ENUM("Mono Channel Select", spdif_mono_select_enum),
 	SND_SOC_BYTES("C Data Buffer", CS4265_C_DATA_BUFF, 24),
 };