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openSUSE:Step:15-SP2
u-boot-rpi332b.25181
0006-net-Only-access-network-devices-aft.patch
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File 0006-net-Only-access-network-devices-aft.patch of Package u-boot-rpi332b.25181
From 18d741c98c7fdeca3c8ed1df40bd35fbebaa8571 Mon Sep 17 00:00:00 2001 From: Alexander Graf <agraf@suse.de> Date: Thu, 15 Mar 2018 11:02:33 +0100 Subject: [PATCH] net: Only access network devices after init In the efi_loader main loop we call eth_rx() occasionally. This rx function might end up calling into devices that haven't been initialized yet, potentially resulting in a lot of transfer timeouts. Instead, let's make sure the ethernet device is actually initialized before reading from or writing to it. Signed-off-by: Alexander Graf <agraf@suse.de> --- net/eth-uclass.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/eth-uclass.c b/net/eth-uclass.c index d30b04ba86..240b596534 100644 --- a/net/eth-uclass.c +++ b/net/eth-uclass.c @@ -336,7 +336,7 @@ int eth_send(void *packet, int length) if (!current) return -ENODEV; - if (!device_active(current)) + if (!eth_is_active(current)) return -EINVAL; ret = eth_get_ops(current)->send(current, packet, length); @@ -359,7 +359,7 @@ int eth_rx(void) if (!current) return -ENODEV; - if (!device_active(current)) + if (!eth_is_active(current)) return -EINVAL; /* Process up to 32 packets at one time */
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