Commit d196147e authored by Linus Torvalds's avatar Linus Torvalds Committed by Greg Kroah-Hartman

tty: wipe buffer.

commit c9a8e5fce009e3c601a43c49ea9dbcb25d1ffac5 upstream.

After we are done with the tty buffer, zero it out.
Reported-by: default avataraszlig <aszlig@nix.build>
Tested-by: default avatarMilan Broz <gmazyland@gmail.com>
Tested-by: default avatarDaniel Zatovic <daniel.zatovic@gmail.com>
Tested-by: default avataraszlig <aszlig@nix.build>
Cc: Willy Tarreau <w@1wt.eu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 26350f89
......@@ -454,6 +454,8 @@ receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count)
if (count && disc->ops->receive_buf)
disc->ops->receive_buf(tty, p, f, count);
}
if (count > 0)
memset(p, 0, count);
return count;
}
......
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