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phylink: require valid state argument to phylink_validate_mask_caps()

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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: f392a18464 ("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>
This commit is contained in:
Jakub Kicinski
2022-10-25 11:51:26 -07:00
parent d1e96cc4fb
commit e0b3ef17f4
1 changed files with 2 additions and 3 deletions
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5
drivers/net/phy/phylink.c
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@@ -564,7 +564,7 @@ EXPORT_SYMBOL_GPL(phylink_get_capabilities);
/**
* 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
@@ -585,8 +585,7 @@ void phylink_validate_mask_caps(unsigned long *supported,
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);