tty: tty_buffer: Add a blank line after declarations

Add a blank line after declarations, reported by checkpatch.pl.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Link: https://lore.kernel.org/r/1620811585-18582-4-git-send-email-tanxiaofei@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 585a19f65284b3b6d701220ce1ade6418264406e..1b52432282c2bd2267314ff93092dfbf3db6dbe7 100644 (file)
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -91,6 +91,7 @@ EXPORT_SYMBOL_GPL(tty_buffer_unlock_exclusive);
 unsigned int tty_buffer_space_avail(struct tty_port *port)
 {
        int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used);
+
        return max(space, 0);
 }
 EXPORT_SYMBOL_GPL(tty_buffer_space_avail);
@@ -312,11 +313,13 @@ int tty_insert_flip_string_fixed_flag(struct tty_port *port,
                const unsigned char *chars, char flag, size_t size)
 {
        int copied = 0;
+
        do {
                int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE);
                int flags = (flag == TTY_NORMAL) ? TTYB_NORMAL : 0;
                int space = __tty_buffer_request_room(port, goal, flags);
                struct tty_buffer *tb = port->buf.tail;
+
                if (unlikely(space == 0))
                        break;
                memcpy(char_buf_ptr(tb, tb->used), chars, space);
@@ -348,10 +351,12 @@ int tty_insert_flip_string_flags(struct tty_port *port,
                const unsigned char *chars, const char *flags, size_t size)
 {
        int copied = 0;
+
        do {
                int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE);
                int space = tty_buffer_request_room(port, goal);
                struct tty_buffer *tb = port->buf.tail;
+
                if (unlikely(space == 0))
                        break;
                memcpy(char_buf_ptr(tb, tb->used), chars, space);
@@ -431,8 +436,10 @@ int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars,
                size_t size)
 {
        int space = __tty_buffer_request_room(port, size, TTYB_NORMAL);
+
        if (likely(space)) {
                struct tty_buffer *tb = port->buf.tail;
+
                *chars = char_buf_ptr(tb, tb->used);
                if (~tb->flags & TTYB_NORMAL)
                        memset(flag_buf_ptr(tb, tb->used), TTY_NORMAL, space);