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net: Fix features skip in for_each_netdev_feature()
[ Upstream commit85db6352fc
] The find_next_netdev_feature() macro gets the "remaining length", not bit index. Passing "bit - 1" for the following iteration is wrong as it skips the adjacent bit. Pass "bit" instead. Fixes:3b89ea9c59
("net: Fix for_each_netdev_feature on Big endian") Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Gal Pressman <gal@nvidia.com> Link: https://lore.kernel.org/r/20220504080914.1918-1-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 2 additions and 2 deletions
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@ -158,7 +158,7 @@ enum {
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#define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
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#define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC)
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/* Finds the next feature with the highest number of the range of start till 0.
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/* Finds the next feature with the highest number of the range of start-1 till 0.
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*/
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static inline int find_next_netdev_feature(u64 feature, unsigned long start)
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{
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@ -177,7 +177,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
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for ((bit) = find_next_netdev_feature((mask_addr), \
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NETDEV_FEATURE_COUNT); \
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(bit) >= 0; \
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(bit) = find_next_netdev_feature((mask_addr), (bit) - 1))
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(bit) = find_next_netdev_feature((mask_addr), (bit)))
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/* Features valid for ethtool to change */
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/* = all defined minus driver/device-class-related */
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