staging: gdm724x: Clarify naming of packet_type<->tty index symbols
authorMisha Gusarov <dottedmag@dottedmag.net>
Sat, 24 Oct 2020 20:22:21 +0000 (22:22 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 26 Oct 2020 05:53:10 +0000 (06:53 +0100)
This driver was using "packet_type" for packet types and for
the mapping of TTY indices to packet types.

Fix the confusion by renaming the symbols.

Fixes sparse warning:

drivers/staging/gdm724x/gdm_mux.c:146:24: warning: symbol 'packet_type' shadows an earlier one

Signed-off-by: Misha Gusarov <dottedmag@dottedmag.net>
Link: https://lore.kernel.org/r/20201024202221.60726-1-dottedmag@dottedmag.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/gdm724x/gdm_mux.c

index 0678f344fafba920f8b7c98468d409e2892cb2af..9b12619671a13ec4b2ecc140ed830aeeb182bc54 100644 (file)
@@ -16,7 +16,7 @@
 
 #include "gdm_mux.h"
 
-static u16 packet_type[TTY_MAX_COUNT] = {0xF011, 0xF010};
+static u16 packet_type_for_tty_index[TTY_MAX_COUNT] = {0xF011, 0xF010};
 
 #define USB_DEVICE_CDC_DATA(vid, pid) \
        .match_flags = \
@@ -38,12 +38,12 @@ static const struct usb_device_id id_table[] = {
 
 MODULE_DEVICE_TABLE(usb, id_table);
 
-static int packet_type_to_index(u16 packetType)
+static int packet_type_to_tty_index(u16 packet_type)
 {
        int i;
 
        for (i = 0; i < TTY_MAX_COUNT; i++) {
-               if (packet_type[i] == packetType)
+               if (packet_type_for_tty_index[i] == packet_type)
                        return i;
        }
 
@@ -170,7 +170,7 @@ static int up_to_host(struct mux_rx *r)
                        break;
                }
 
-               index = packet_type_to_index(packet_type);
+               index = packet_type_to_tty_index(packet_type);
                if (index < 0) {
                        pr_err("invalid index %d\n", index);
                        break;
@@ -372,7 +372,7 @@ static int gdm_mux_send(void *priv_dev, void *data, int len, int tty_index,
        mux_header->start_flag = __cpu_to_le32(START_FLAG);
        mux_header->seq_num = __cpu_to_le32(seq_num++);
        mux_header->payload_size = __cpu_to_le32((u32)len);
-       mux_header->packet_type = __cpu_to_le16(packet_type[tty_index]);
+       mux_header->packet_type = __cpu_to_le16(packet_type_for_tty_index[tty_index]);
 
        memcpy(t->buf + MUX_HEADER_SIZE, data, len);
        memset(t->buf + MUX_HEADER_SIZE + len, 0,