Instead of kmalloc() with manually calculated values followed by
multiple strcpy()/strcat() calls, just fold it all into a single
kasprintf() call.
Signed-off-by: NKees Cook <keescook@chromium.org>
Reviewed-by: NKeith Packard <keithp@keithp.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>