Storage pointed to by gen_ie is allocated with kmalloc, but was
never freed.

Coverity CID #1271251
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
Acked-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NKalle Valo <kvalo@codeaurora.org>