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4b26ba4155
Deleted (upstreamed): bcm53xx/patches-5.10/081-v5.15-Revert-pinctrl-bcm-ns-support-updated-DT-binding-as-.patch [1] [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=01c2881bb0e0a71b87ca425e1b763ac13855aa7e Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
52 lines
1.3 KiB
Diff
52 lines
1.3 KiB
Diff
From e78b75f5be204a0a235da995d01c778dc282bb42 Mon Sep 17 00:00:00 2001
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From: Hayes Wang <hayeswang@realtek.com>
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Date: Fri, 19 Feb 2021 17:04:41 +0800
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Subject: [PATCH] r8152: check if the pointer of the function exists
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commit c79515e47935c747282c6ed2ee5b2ef039756eeb upstream.
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Return error code if autosuspend_en, eee_get, or eee_set don't exist.
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Signed-off-by: Hayes Wang <hayeswang@realtek.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/usb/r8152.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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--- a/drivers/net/usb/r8152.c
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+++ b/drivers/net/usb/r8152.c
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@@ -5758,6 +5758,9 @@ static int rtl8152_runtime_suspend(struc
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struct net_device *netdev = tp->netdev;
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int ret = 0;
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+ if (!tp->rtl_ops.autosuspend_en)
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+ return -EBUSY;
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+
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set_bit(SELECTIVE_SUSPEND, &tp->flags);
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smp_mb__after_atomic();
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@@ -6157,6 +6160,11 @@ rtl_ethtool_get_eee(struct net_device *n
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struct r8152 *tp = netdev_priv(net);
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int ret;
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+ if (!tp->rtl_ops.eee_get) {
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+ ret = -EOPNOTSUPP;
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+ goto out;
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+ }
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+
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ret = usb_autopm_get_interface(tp->intf);
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if (ret < 0)
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goto out;
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@@ -6179,6 +6187,11 @@ rtl_ethtool_set_eee(struct net_device *n
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struct r8152 *tp = netdev_priv(net);
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int ret;
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+ if (!tp->rtl_ops.eee_set) {
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+ ret = -EOPNOTSUPP;
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+ goto out;
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+ }
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+
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ret = usb_autopm_get_interface(tp->intf);
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if (ret < 0)
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goto out;
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