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r8169: Avoid pointer aliasing
authorThierry Reding <treding@nvidia.com>
Wed, 6 Feb 2019 12:30:18 +0000 (13:30 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 6 Feb 2019 21:40:08 +0000 (13:40 -0800)
commitdeedf1feb255c7a390309f615e50de37cb82fb61
tree6bd19596f8d8862ae28b99259db0c62ae7f24ab2tree | snapshot
parent04c7788c2bb3542e5c8c9d7175193e4d925edf20commit | diff
r8169: Avoid pointer aliasing

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>
drivers/net/ethernet/realtek/r8169.c diff | blob | history
Domain: System / Kernel;