tree f7a91213acb26a7aa65cf99141ec84f596e1f4f3
parent 09d5f7698a45f40c5ed6c375a4871f1ac394677f
author Marek Vasut <marex@denx.de> 1650911285 +0200
committer Tom Rini <trini@konsulko.com> 1659970220 -0400

net: dm9000: Correctly handle empty FIFO

Assign packet pointer only in case the MAC reports anything in the FIFO.
In case the MAC indicates empty FIFO, return 0 to pass that information
to the network stack.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>