Description: consolemap: Fix a memory leaking bug in drivers/tty/vt/consolemap.c
References:
 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-next&id=84ecc2f6eb1cb12e6d44818f94fa49b50f06e6ac
Notes:
 bwh> There is no memory leak, and the purported "fix" actually
 bwh> introduces a security issue.  I have sent a patch to revert it.
Bugs:
upstream: N/A "Invalid issue"
4.19-upstream-stable: N/A "Invalid issue"
4.9-upstream-stable: N/A "Invalid issue"
3.16-upstream-stable: N/A "Invalid issue"
sid: N/A "Invalid issue"
4.9-stretch-security: N/A "Invalid issue"
3.16-jessie-security: N/A "Invalid issue"