libertas: potential oops in debugfs
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 30 Oct 2013 17:12:51 +0000 (20:12 +0300)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 11 Nov 2013 19:38:58 +0000 (14:38 -0500)
commita497e47d4aec37aaf8f13509f3ef3d1f6a717d88
treec670dfa4fbf4b96bb7b5d1041f82a899447fe03b
parent450991fd2f9d362562c69b2e70832b2ecb7624cb
libertas: potential oops in debugfs

If we do a zero size allocation then it will oops.  Also we can't be
sure the user passes us a NUL terminated string so I've added a
terminator.

This code can only be triggered by root.

Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/libertas/debugfs.c