r8169: Avoid pointer aliasing

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Read MAC address 32-bit at a time and manually extract the individual
bytes. This avoids pointer aliasing and gives the compiler a better
chance of optimizing the operation.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Thierry Reding 2019-02-06 13:30:18 +01:00 • committed by David S. Miller

parent 04c7788c2b

commit deedf1feb2

1 changed files with 13 additions and 3 deletions

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drivers/net/ethernet/realtek/r8169.c

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