openwrt/target/linux/generic/backport-6.1/715-05-v6.2-phylink-require-valid-state-argument-to-phylink_vali.patch
Daniel Golle d40756563c kernel: backport phylink changes from mainline Linux
Let's pick a bunch of useful phylink changes which allow us to keep
drivers in sync with mainline Linux.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2024-02-15 19:06:36 +00:00

40 lines
1.6 KiB
Diff

From 2bf7e4a68c42eed909f3c29582e1fb85cb157e35 Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kuba@kernel.org>
Date: Tue, 25 Oct 2022 11:51:26 -0700
Subject: [PATCH 05/21] phylink: require valid state argument to
phylink_validate_mask_caps()
state is deferenced earlier in the function, the NULL check
is pointless. Since we don't have any crash reports presumably
it's safe to assume state is not NULL.
Fixes: f392a1846489 ("net: phylink: provide phylink_validate_mask_caps() helper")
Reviewed-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20221025185126.1720553-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/phy/phylink.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -566,7 +566,7 @@ EXPORT_SYMBOL_GPL(phylink_get_capabiliti
/**
* phylink_validate_mask_caps() - Restrict link modes based on caps
* @supported: ethtool bitmask for supported link modes.
- * @state: an (optional) pointer to a &struct phylink_link_state.
+ * @state: pointer to a &struct phylink_link_state.
* @mac_capabilities: bitmask of MAC capabilities
*
* Calculate the supported link modes based on @mac_capabilities, and restrict
@@ -587,8 +587,7 @@ void phylink_validate_mask_caps(unsigned
phylink_caps_to_linkmodes(mask, caps);
linkmode_and(supported, supported, mask);
- if (state)
- linkmode_and(state->advertising, state->advertising, mask);
+ linkmode_and(state->advertising, state->advertising, mask);
}
EXPORT_SYMBOL_GPL(phylink_validate_mask_caps);