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32621086c3
Fixes CVE-2022-47522
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit d54c91bd9a)
27 lines
680 B
Diff
27 lines
680 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Tue, 23 Nov 2021 17:01:45 +0100
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Subject: [PATCH] Revert "of: net: pass the dst buffer to of_get_mac_address()"
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This reverts commit 4932c5d80153c336c77dbe8d7af9f8fdd879d01f.
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---
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--- a/eeprom.c
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+++ b/eeprom.c
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@@ -107,9 +107,15 @@ mt76_eeprom_override(struct mt76_phy *ph
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{
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struct mt76_dev *dev = phy->dev;
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+#ifdef CONFIG_OF
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struct device_node *np = dev->dev->of_node;
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+ const u8 *mac = NULL;
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- of_get_mac_address(np, phy->macaddr);
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+ if (np)
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+ mac = of_get_mac_address(np);
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+ if (!IS_ERR_OR_NULL(mac))
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+ ether_addr_copy(phy->macaddr, mac);
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+#endif
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if (!is_valid_ether_addr(phy->macaddr)) {
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eth_random_addr(phy->macaddr);
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