tree fb62b77021babc4c21196bfcde25cc63f4cec9ae
parent 354a1947a02528b19ee326e230cb44399cd31865
author Colin Ian King <colin.king@canonical.com> 1456442667 +0000
committer Kalle Valo <kvalo@codeaurora.org> 1457354345 +0200

mt7601u: do not free dma_buf when ivp allocation fails

If the allocation of ivp fails the error handling attempts to
free an uninitialized dma_buf; this data structure just contains
garbage on the stack, so the freeing will cause issues when the
urb, buf and dma fields are free'd. Fix this by not free'ing the
dma_buf if the ivp allocation fails.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>