msm: bam_dmux: fix memory leak in error case

If dma_map_single() fails, the tx_pkt_info allocated eariler needs to
be freed or else the memory will be leaked.

Change-Id: I958dee8d51f459cbf08465b0027c923eb3b632d9
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
1 file changed