atm: Fix dma_free_coherent() size

atm: Fix dma_free_coherent() size

commit 4d984b0574ff708e66152763fbfdef24ea40933f upstream.

The size of the buffer is not the same when alloc'd with
dma_alloc_coherent() in he_init_tpdrq() and freed.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20260107090141.80900-2-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>