6pack: propagage new tty types

In tty, u8 is now used for data, ssize_t for sizes (with possible
negative error codes). Propagate these types to 6pack.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andreas Koensgen <ajk@comnets.uni-bremen.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-hams@vger.kernel.org
Cc: netdev@vger.kernel.org
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20240808103549.429349-12-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 5c47730f5d587e50c6a9ecfc1a9f5029d68c693d..3bf6785f905739f5cd95e83133a4d114e113c6d4 100644 (file)
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -91,8 +91,8 @@ struct sixpack {
        unsigned char           *xhead;         /* next byte to XMIT */
        int                     xleft;          /* bytes left in XMIT queue  */
 
-       unsigned char           raw_buf[4];
-       unsigned char           cooked_buf[400];
+       u8                      raw_buf[4];
+       u8                      cooked_buf[400];
 
        unsigned int            rx_count;
        unsigned int            rx_count_cooked;
@@ -107,8 +107,8 @@ struct sixpack {
        unsigned char           slottime;
        unsigned char           duplex;
        unsigned char           led_state;
-       unsigned char           status;
-       unsigned char           status1;
+       u8                      status;
+       u8                      status1;
        unsigned char           status2;
        unsigned char           tx_enable;
        unsigned char           tnc_state;
@@ -122,7 +122,7 @@ struct sixpack {
 
 #define AX25_6PACK_HEADER_LEN 0
 
-static void sixpack_decode(struct sixpack *, const unsigned char[], int);
+static void sixpack_decode(struct sixpack *, const u8 *, size_t);
 static int encode_sixpack(unsigned char *, unsigned char *, int, unsigned char);
 
 /*
@@ -327,7 +327,7 @@ static void sp_bump(struct sixpack *sp, char cmd)
 {
        struct sk_buff *skb;
        int count;
-       unsigned char *ptr;
+       u8 *ptr;
 
        count = sp->rcount + 1;
 
@@ -425,7 +425,7 @@ static void sixpack_receive_buf(struct tty_struct *tty, const u8 *cp,
                                const u8 *fp, size_t count)
 {
        struct sixpack *sp;
-       int count1;
+       size_t count1;
 
        if (!count)
                return;
@@ -800,9 +800,9 @@ static int encode_sixpack(unsigned char *tx_buf, unsigned char *tx_buf_raw,
 
 /* decode 4 sixpack-encoded bytes into 3 data bytes */
 
-static void decode_data(struct sixpack *sp, unsigned char inbyte)
+static void decode_data(struct sixpack *sp, u8 inbyte)
 {
-       unsigned char *buf;
+       u8 *buf;
 
        if (sp->rx_count != 3) {
                sp->raw_buf[sp->rx_count++] = inbyte;
@@ -828,9 +828,9 @@ static void decode_data(struct sixpack *sp, unsigned char inbyte)
 
 /* identify and execute a 6pack priority command byte */
 
-static void decode_prio_command(struct sixpack *sp, unsigned char cmd)
+static void decode_prio_command(struct sixpack *sp, u8 cmd)
 {
-       int actual;
+       ssize_t actual;
 
        if ((cmd & SIXP_PRIO_DATA_MASK) != 0) {     /* idle ? */
 
@@ -878,9 +878,9 @@ static void decode_prio_command(struct sixpack *sp, unsigned char cmd)
 
 /* identify and execute a standard 6pack command byte */
 
-static void decode_std_command(struct sixpack *sp, unsigned char cmd)
+static void decode_std_command(struct sixpack *sp, u8 cmd)
 {
-       unsigned char checksum = 0, rest = 0;
+       u8 checksum = 0, rest = 0;
        short i;
 
        switch (cmd & SIXP_CMD_MASK) {     /* normal command */
@@ -928,10 +928,10 @@ static void decode_std_command(struct sixpack *sp, unsigned char cmd)
 /* decode a 6pack packet */
 
 static void
-sixpack_decode(struct sixpack *sp, const unsigned char *pre_rbuff, int count)
+sixpack_decode(struct sixpack *sp, const u8 *pre_rbuff, size_t count)
 {
-       unsigned char inbyte;
-       int count1;
+       size_t count1;
+       u8 inbyte;
 
        for (count1 = 0; count1 < count; count1++) {
                inbyte = pre_rbuff[count1];