There is a "Segmentation fault" error when the tmpdir is longer than 470
(or less), this is because it used "char cmd[1024]" which is not enough
for the command line. Allocate a larger memory size should fix this problem.
[YOCTO #2664]
(From OE-Core rev: 3fd5d0334439b6231a6afd2a544a16b87ae81c99)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
7449260c75