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Andrew Lunn
228b16cb13
The check for the presence or not of the optional switch function
get_phy_flags() called the function, rather than checked to see if it
is a NULL pointer. This causes a derefernce of a NULL pointer on all
switch chips except the sf2, the only switch to implement this call.
Signed-off-by: Andrew Lunn <[email protected]>
Fixes: 6819563e64 ("net: dsa: allow switch drivers to specify phy_device::dev_flags")
Cc: Florian Fainelli <[email protected]>
Signed-off-by: David S. Miller <[email protected]>