Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 828dd95..3834905 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -746,7 +746,7 @@
 			skb->csum = csum_block_add(
 				skb->csum,
 				csum_partial_copy_nocheck(rfv->c + offset,
-							  to, copy, 0),
+							  to, copy),
 				odd);
 
 		odd = 0;
@@ -972,13 +972,13 @@
 }
 
 static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
-			       char __user *optval, int optlen)
+			       sockptr_t optval, int optlen)
 {
 	switch (optname) {
 	case ICMPV6_FILTER:
 		if (optlen > sizeof(struct icmp6_filter))
 			optlen = sizeof(struct icmp6_filter);
-		if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen))
+		if (copy_from_sockptr(&raw6_sk(sk)->filter, optval, optlen))
 			return -EFAULT;
 		return 0;
 	default:
@@ -1015,12 +1015,15 @@
 
 
 static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
-			    char __user *optval, unsigned int optlen)
+			       sockptr_t optval, unsigned int optlen)
 {
 	struct raw6_sock *rp = raw6_sk(sk);
 	int val;
 
-	if (get_user(val, (int __user *)optval))
+	if (optlen < sizeof(val))
+		return -EINVAL;
+
+	if (copy_from_sockptr(&val, optval, sizeof(val)))
 		return -EFAULT;
 
 	switch (optname) {
@@ -1062,7 +1065,7 @@
 }
 
 static int rawv6_setsockopt(struct sock *sk, int level, int optname,
-			  char __user *optval, unsigned int optlen)
+			    sockptr_t optval, unsigned int optlen)
 {
 	switch (level) {
 	case SOL_RAW:
@@ -1076,7 +1079,7 @@
 		if (optname == IPV6_CHECKSUM ||
 		    optname == IPV6_HDRINCL)
 			break;
-		/* fall through */
+		fallthrough;
 	default:
 		return ipv6_setsockopt(sk, level, optname, optval, optlen);
 	}
@@ -1084,30 +1087,6 @@
 	return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
 }
 
-#ifdef CONFIG_COMPAT
-static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
-				   char __user *optval, unsigned int optlen)
-{
-	switch (level) {
-	case SOL_RAW:
-		break;
-	case SOL_ICMPV6:
-		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-			return -EOPNOTSUPP;
-		return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
-	case SOL_IPV6:
-		if (optname == IPV6_CHECKSUM ||
-		    optname == IPV6_HDRINCL)
-			break;
-		/* fall through */
-	default:
-		return compat_ipv6_setsockopt(sk, level, optname,
-					      optval, optlen);
-	}
-	return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
-}
-#endif
-
 static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
 			    char __user *optval, int __user *optlen)
 {
@@ -1161,7 +1140,7 @@
 		if (optname == IPV6_CHECKSUM ||
 		    optname == IPV6_HDRINCL)
 			break;
-		/* fall through */
+		fallthrough;
 	default:
 		return ipv6_getsockopt(sk, level, optname, optval, optlen);
 	}
@@ -1169,30 +1148,6 @@
 	return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
 }
 
-#ifdef CONFIG_COMPAT
-static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
-				   char __user *optval, int __user *optlen)
-{
-	switch (level) {
-	case SOL_RAW:
-		break;
-	case SOL_ICMPV6:
-		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-			return -EOPNOTSUPP;
-		return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
-	case SOL_IPV6:
-		if (optname == IPV6_CHECKSUM ||
-		    optname == IPV6_HDRINCL)
-			break;
-		/* fall through */
-	default:
-		return compat_ipv6_getsockopt(sk, level, optname,
-					      optval, optlen);
-	}
-	return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
-}
-#endif
-
 static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
 {
 	switch (cmd) {
@@ -1297,8 +1252,6 @@
 	.usersize	   = sizeof_field(struct raw6_sock, filter),
 	.h.raw_hash	   = &raw_v6_hashinfo,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_rawv6_setsockopt,
-	.compat_getsockopt = compat_rawv6_getsockopt,
 	.compat_ioctl	   = compat_rawv6_ioctl,
 #endif
 	.diag_destroy	   = raw_abort,
@@ -1377,8 +1330,7 @@
 	.mmap		   = sock_no_mmap,
 	.sendpage	   = sock_no_sendpage,
 #ifdef CONFIG_COMPAT
-	.compat_setsockopt = compat_sock_common_setsockopt,
-	.compat_getsockopt = compat_sock_common_getsockopt,
+	.compat_ioctl	   = inet6_compat_ioctl,
 #endif
 };