silence noisy 'deprecated' warnings while fuzzing

diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 1236c6011c70..bab0a1916d8f 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -400,13 +400,6 @@ static const char auto_string[] = "auto";
 
 static void warn_level(void)
 {
-	static int level_warned;
-
-	if (!level_warned) {
-		level_warned = 1;
-		printk(KERN_WARNING "WARNING! power/level is deprecated; "
-				"use power/control instead\n");
-	}
 }
 
 static ssize_t level_show(struct device *dev, struct device_attribute *attr,
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index e19d4c0cacae..3bf259b16d53 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -968,13 +968,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size,
 
 	if (creat_flags == HUGETLB_SHMFS_INODE && !can_do_hugetlb_shm()) {
 		*user = current_user();
-		if (user_shm_lock(size, *user)) {
-			task_lock(current);
-			printk_once(KERN_WARNING
-				"%s (%d): Using mlock ulimits for SHM_HUGETLB is deprecated\n",
-				current->comm, current->pid);
-			task_unlock(current);
-		} else {
+		if (!(user_shm_lock(size, *user))) {
 			*user = NULL;
 			return ERR_PTR(-EPERM);
 		}
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 442177b1119a..ce743b0ca749 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -807,8 +807,6 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
 
 	if (type == CLEAR_REFS_SOFT_DIRTY) {
 		soft_dirty_cleared = true;
-		pr_warn_once("The pagemap bits 55-60 has changed their meaning! "
-				"See the linux/Documentation/vm/pagemap.txt for details.\n");
 	}
 
 	task = get_proc_task(file_inode(file));
@@ -1227,9 +1225,6 @@ out:
 
 static int pagemap_open(struct inode *inode, struct file *file)
 {
-	pr_warn_once("Bits 55-60 of /proc/PID/pagemap entries are about "
-			"to stop being page-shift some time soon. See the "
-			"linux/Documentation/vm/pagemap.txt for details.\n");
 	return 0;
 }
 
diff --git a/fs/stat.c b/fs/stat.c
index ae0c3cef9927..50d2010c3895 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -139,17 +139,7 @@ EXPORT_SYMBOL(vfs_lstat);
  */
 static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * statbuf)
 {
-	static int warncount = 5;
 	struct __old_kernel_stat tmp;
-	
-	if (warncount > 0) {
-		warncount--;
-		printk(KERN_WARNING "VFS: Warning: %s using old stat() call. Recompile your binary.\n",
-			current->comm);
-	} else if (warncount < 0) {
-		/* it's laughable, but... */
-		warncount = 0;
-	}
 
 	memset(&tmp, 0, sizeof(struct __old_kernel_stat));
 	tmp.st_dev = old_encode_dev(stat->dev);
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 653cbbd9e7ad..8338a2bbac33 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1348,8 +1348,6 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 
 static void deprecated_sysctl_warning(const int *name, int nlen)
 {
-	int i;
-
 	/*
 	 * CTL_KERN/KERN_VERSION is used by older glibc and cannot
 	 * ever go away.
@@ -1357,14 +1355,6 @@ static void deprecated_sysctl_warning(const int *name, int nlen)
 	if (name[0] == CTL_KERN && name[1] == KERN_VERSION)
 		return;
 
-	if (printk_ratelimit()) {
-		printk(KERN_INFO
-			"warning: process `%s' used the deprecated sysctl "
-			"system call with ", current->comm);
-		for (i = 0; i < nlen; i++)
-			printk("%d.", name[i]);
-		printk("\n");
-	}
 	return;
 }
 
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 09d9591b7708..0bc4491c642a 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -667,8 +667,6 @@ int pdflush_proc_obsolete(struct ctl_table *table, int write,
 
 	if (copy_to_user(buffer, kbuf, sizeof(kbuf)))
 		return -EFAULT;
-	printk_once(KERN_WARNING "%s exported in /proc is scheduled for removal\n",
-			table->procname);
 
 	*lenp = 2;
 	*ppos += *lenp;
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index c35c3f48fc0f..3e605e64c797 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1209,9 +1209,6 @@ static int __must_check ax25_connect(struct socket *sock,
 	 *	been filled in, error if it hasn't.
 	 */
 	if (sock_flag(sk, SOCK_ZAPPED)) {
-		/* check if we can remove this feature. It is broken. */
-		printk(KERN_WARNING "ax25_connect(): %s uses autobind, please contact jreuter@yaina.de\n",
-			current->comm);
 		if ((err = ax25_rt_autobind(ax25, &fsa->fsa_ax25.sax25_call)) < 0) {
 			kfree(digi);
 			goto out_release;
@@ -1789,13 +1786,6 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 
 		/* old structure? */
 		if (cmd == SIOCAX25GETINFOOLD) {
-			static int warned = 0;
-			if (!warned) {
-				printk(KERN_INFO "%s uses old SIOCAX25GETINFO\n",
-					current->comm);
-				warned=1;
-			}
-
 			if (copy_to_user(argp, &ax25_info, sizeof(struct ax25_info_struct_deprecated))) {
 				res = -EFAULT;
 				break;
diff --git a/net/core/sock.c b/net/core/sock.c
index 664ee4295b6f..87366a065687 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -412,14 +412,6 @@ static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen)
 
 static void sock_warn_obsolete_bsdism(const char *name)
 {
-	static int warned;
-	static char warncomm[TASK_COMM_LEN];
-	if (strcmp(warncomm, current->comm) && warned < 5) {
-		strcpy(warncomm,  current->comm);
-		pr_warn("process `%s' is using obsolete %s SO_BSDCOMPAT\n",
-			warncomm, name);
-		warned++;
-	}
 }
 
 #define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 09a22f4f36c9..c9953e5a94b1 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1632,16 +1632,6 @@ static struct notifier_block ndisc_netdev_notifier = {
 static void ndisc_warn_deprecated_sysctl(struct ctl_table *ctl,
 					 const char *func, const char *dev_name)
 {
-	static char warncomm[TASK_COMM_LEN];
-	static int warned;
-	if (strcmp(warncomm, current->comm) && warned < 5) {
-		strcpy(warncomm, current->comm);
-		pr_warn("process `%s' is using deprecated sysctl (%s) net.ipv6.neigh.%s.%s - use net.ipv6.neigh.%s.%s_ms instead\n",
-			warncomm, func,
-			dev_name, ctl->procname,
-			dev_name, ctl->procname);
-		warned++;
-	}
 }
 
 int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos)
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 5b3eae7d4c9a..7973a49ffdf9 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -212,10 +212,6 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl,
 	if (net->ct.sysctl_auto_assign_helper && helper == NULL) {
 		helper = __nf_ct_helper_find(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
 		if (unlikely(!net->ct.auto_assign_helper_warned && helper)) {
-			pr_info("nf_conntrack: automatic helper "
-				"assignment is deprecated and it will "
-				"be removed soon. Use the iptables CT target "
-				"to attach helpers instead.\n");
 			net->ct.auto_assign_helper_warned = true;
 		}
 	}
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index fee06b99a4da..a3fdfa90b0e8 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3021,11 +3021,6 @@ static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, unsigned
 	int val;
 
 	if (optlen == sizeof(int)) {
-		pr_warn_ratelimited(DEPRECATED
-				    "%s (pid %d) "
-				    "Use of int in maxseg socket option.\n"
-				    "Use struct sctp_assoc_value instead\n",
-				    current->comm, task_pid_nr(current));
 		if (copy_from_user(&val, optval, optlen))
 			return -EFAULT;
 		params.assoc_id = 0;
@@ -3282,11 +3277,6 @@ static int sctp_setsockopt_maxburst(struct sock *sk,
 	int assoc_id = 0;
 
 	if (optlen == sizeof(int)) {
-		pr_warn_ratelimited(DEPRECATED
-				    "%s (pid %d) "
-				    "Use of int in max_burst socket option deprecated.\n"
-				    "Use struct sctp_assoc_value instead\n",
-				    current->comm, task_pid_nr(current));
 		if (copy_from_user(&val, optval, optlen))
 			return -EFAULT;
 	} else if (optlen == sizeof(struct sctp_assoc_value)) {
@@ -5252,11 +5242,6 @@ static int sctp_getsockopt_maxseg(struct sock *sk, int len,
 	struct sctp_association *asoc;
 
 	if (len == sizeof(int)) {
-		pr_warn_ratelimited(DEPRECATED
-				    "%s (pid %d) "
-				    "Use of int in maxseg socket option.\n"
-				    "Use struct sctp_assoc_value instead\n",
-				    current->comm, task_pid_nr(current));
 		params.assoc_id = 0;
 	} else if (len >= sizeof(struct sctp_assoc_value)) {
 		len = sizeof(struct sctp_assoc_value);
@@ -5347,11 +5332,6 @@ static int sctp_getsockopt_maxburst(struct sock *sk, int len,
 	struct sctp_association *asoc;
 
 	if (len == sizeof(int)) {
-		pr_warn_ratelimited(DEPRECATED
-				    "%s (pid %d) "
-				    "Use of int in max_burst socket option.\n"
-				    "Use struct sctp_assoc_value instead\n",
-				    current->comm, task_pid_nr(current));
 		params.assoc_id = 0;
 	} else if (len >= sizeof(struct sctp_assoc_value)) {
 		len = sizeof(struct sctp_assoc_value);
diff --git a/net/socket.c b/net/socket.c
index abf56b2a14f9..1f02293cb011 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1263,15 +1263,8 @@ int __sock_create(struct net *net, int family, int type, int protocol,
 	   This uglymoron is moved from INET layer to here to avoid
 	   deadlock in module load.
 	 */
-	if (family == PF_INET && type == SOCK_PACKET) {
-		static int warned;
-		if (!warned) {
-			warned = 1;
-			pr_info("%s uses obsolete (PF_INET,SOCK_PACKET)\n",
-				current->comm);
-		}
+	if (family == PF_INET && type == SOCK_PACKET)
 		family = PF_PACKET;
-	}
 
 	err = security_socket_create(family, type, protocol, kern);
 	if (err)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 321697da2863..96b0f00f975d 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2205,12 +2205,6 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
	if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
		return -EFAULT;

-	if (sctp_sk(sk)->subscribe.sctp_data_io_event)
-		pr_warn_ratelimited(DEPRECATED "%s (pid %d) "
-				    "Requested SCTP_SNDRCVINFO event.\n"
-				    "Use SCTP_RCVINFO through SCTP_RECVRCVINFO option instead.\n",
-				    current->comm, task_pid_nr(current));
-
	/* At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT,
	 * if there is no data to be sent or retransmit, the stack will
	 * immediately send up this notification.