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suyuan168 2022-02-07 17:41:30 +08:00
commit 34bd7ef0b1
1 changed files with 12 additions and 7 deletions
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root/target/linux/generic/hack-5.15/780-net-ipheth-fix-RX-EOVERFLOW.patch → root/target/linux/generic/pending-5.4/999-fix-oeoverflow-ipheth.patch Executable file → Normal file
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@ -1,7 +1,7 @@
From dd109ded2b526636fff438d33433ab64ffd21583 Mon Sep 17 00:00:00 2001
From 63e4b45c82ed1bde979da7052229a4229ce9cabf Mon Sep 17 00:00:00 2001
From: Georgi Valkov <gvalkov@abv.bg>
Date: Fri, 16 Apr 2021 20:44:36 +0300
Subject: [PATCH] ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
Date: Tue, 1 Feb 2022 08:16:18 +0100
Subject: ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
When rx_buf is allocated we need to account for IPHETH_IP_ALIGN,
which reduces the usable size by 2 bytes. Otherwise we have 1512
@ -9,15 +9,20 @@ bytes usable instead of 1514, and if we receive more than 1512
bytes, ipheth_rcvbulk_callback is called with status -EOVERFLOW,
after which the driver malfunctiones and all communication stops.
Fixes: ipheth 2-1:4.2: ipheth_rcvbulk_callback: urb status: -75
Resolves ipheth 2-1:4.2: ipheth_rcvbulk_callback: urb status: -75
Fixes: f33d9e2b48a3 ("usbnet: ipheth: fix connectivity with iOS 14")
Signed-off-by: Georgi Valkov <gvalkov@abv.bg>
Tested-by: Jan Kiszka <jan.kiszka@siemens.com>
Link: https://lore.kernel.org/all/B60B8A4B-92A0-49B3-805D-809A2433B46C@abv.bg/
Link: https://lore.kernel.org/all/24851bd2769434a5fc24730dce8e8a984c5a4505.1643699778.git.jan.kiszka@siemens.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/usb/ipheth.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index 207e59e74935..06d9f19ca142 100644
index cd33955df0b65f..6a769df0b4213c 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -121,7 +121,7 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone)
@ -29,7 +34,7 @@ index 207e59e74935..06d9f19ca142 100644
GFP_KERNEL, &rx_urb->transfer_dma);
if (rx_buf == NULL)
goto free_tx_buf;
@@ -146,7 +146,7 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone)
@@ -146,7 +146,7 @@ error_nomem:
static void ipheth_free_urbs(struct ipheth_device *iphone)
{
@ -48,5 +53,5 @@ index 207e59e74935..06d9f19ca142 100644
dev);
dev->rx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
--
2.31.1
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