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net: axi_emac: Change return value to -EAGAIN if RX is not ready

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If there is no incoming package than axiemac_recv will return -1 which
in turn leads to printing `eth_rx: recv() returned error -1` error
message in eth_rx function. But missing a package is not an fatal error,
so return -EAGAIN in that case would be more suitable.

Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Link: https://lore.kernel.org/r/20230719065337.69280-1-bigunclemax@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Maksim Kiselev 2023-07-19 09:53:37 +03:00 • committed by Michal Simek
parent c310c98201
commit 3fb4ef7d39
1 changed files with 1 additions and 1 deletions
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2
drivers/net/xilinx_axi_emac.c
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@ -748,7 +748,7 @@ static int axiemac_recv(struct udevice *dev, int flags, uchar **packetp)
/* Wait for an incoming packet */
if (!isrxready(priv))
return -1;
return -EAGAIN;
debug("axiemac: RX data ready\n");