commit 78a45f762d19b6b3079951f471f8811744f2bd81
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Thu Feb 23 02:16:56 2023 +0100

    pfinet: Fix shifting left into bit 31

diff --git a/pfinet/glue-include/asm/bitops.h b/pfinet/glue-include/asm/bitops.h
index 8c5a835d..3f42ae90 100644
--- a/pfinet/glue-include/asm/bitops.h
+++ b/pfinet/glue-include/asm/bitops.h
@@ -7,7 +7,7 @@
 #include <stdint.h>
 
 #define BITOPS_WORD(nr, addr)	(((uint32_t *) (addr))[(nr) / 32])
-#define BITOPS_MASK(nr)		(1 << ((nr) & 31))
+#define BITOPS_MASK(nr)		(1U << ((nr) & 31))
 
 static __inline__ void set_bit (int nr, void *addr)
 { BITOPS_WORD (nr, addr) |= BITOPS_MASK (nr); }
diff --git a/pfinet/linux-src/include/net/sock.h b/pfinet/linux-src/include/net/sock.h
index b149224a..5c4444d1 100644
--- a/pfinet/linux-src/include/net/sock.h
+++ b/pfinet/linux-src/include/net/sock.h
@@ -203,7 +203,7 @@ struct tcp_sack_block {
 };
 
 struct tcp_opt {
-	int	tcp_header_len;	/* Bytes of tcp header to send		*/
+	unsigned int	tcp_header_len;	/* Bytes of tcp header to send		*/
 
 /*
  *	Header prediction flags
diff --git a/pfinet/linux-src/include/net/tcp.h b/pfinet/linux-src/include/net/tcp.h
index d6797ea5..b95bd20d 100644
--- a/pfinet/linux-src/include/net/tcp.h
+++ b/pfinet/linux-src/include/net/tcp.h
@@ -835,9 +835,9 @@ static __inline__ void tcp_push_pending_frames(struct sock *sk, struct tcp_opt *
 /* This tells the input processing path that an ACK should go out
  * right now.
  */
-#define tcp_enter_quickack_mode(__tp)	((__tp)->ato |= (1<<31))
-#define tcp_exit_quickack_mode(__tp)	((__tp)->ato &= ~(1<<31))
-#define tcp_in_quickack_mode(__tp)	(((__tp)->ato & (1 << 31)) != 0)
+#define tcp_enter_quickack_mode(__tp)	((__tp)->ato |= (1U<<31))
+#define tcp_exit_quickack_mode(__tp)	((__tp)->ato &= ~(1U<<31))
+#define tcp_in_quickack_mode(__tp)	(((__tp)->ato & (1U << 31)) != 0)
 
 /*
  * List all states of a TCP socket that can be viewed as a "connected"
diff --git a/pfinet/linux-src/net/ipv6/ip6_fib.c b/pfinet/linux-src/net/ipv6/ip6_fib.c
index 670860b2..78b972ac 100644
--- a/pfinet/linux-src/net/ipv6/ip6_fib.c
+++ b/pfinet/linux-src/net/ipv6/ip6_fib.c
@@ -153,7 +153,7 @@ static __inline__ int addr_bit_set(void *token, int fn_bit)
 {
 	__u32 *addr = token;
 
-	return htonl(1 << ((~fn_bit)&0x1F)) & addr[fn_bit>>5];
+	return htonl(1U << ((~fn_bit)&0x1F)) & addr[fn_bit>>5];
 }
 
 /*
