tty/vt: consolemap: use con_allocate_new() in con_unshare_unimap()

The old->refcount is guaranteed to be > 1, so we can directly call
con_allocate_new() to make the code more obvious.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220607104946.18710-35-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index 14d3fbff015ce8067d6e5a5bb250a29a98f988c3..f97f7ee6268b21f851bccb44c8ea654726bae95d 100644 (file)
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -580,14 +580,10 @@ static struct uni_pagedict *con_unshare_unimap(struct vc_data *vc,
        int ret;
        u16 uni = 0;
 
-       ret = con_do_clear_unimap(vc);
+       ret = con_allocate_new(vc);
        if (ret)
                return ERR_PTR(ret);
 
-       /*
-        * Since refcount was > 1, con_clear_unimap() allocated a new
-        * uni_pagedict for this vc.  Re: old != new
-        */
        new = *vc->vc_uni_pagedir_loc;
 
        /*