net: phy: fix null dereference in phy_attach_direct
Commit bc66fa87 ("net: phy: Add link between phy dev and mac dev") introduced a link between net devices and phy devices. It fails to check whether dev is NULL, leading to a NULL dereference error. Fixes: bc66fa87 ("net: phy: Add link between phy dev and mac dev") Signed-off-by: Colin Foster <colin.foster@in-advantage.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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