igb: add additional error handling to the phy code

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This update adds additional exception handling to the phy code to handle
situations where it may be called incorrectly.  In addition it adds some
bounds checking to the cable length checks to prevent an array overrun in
the event that the hardware returned a different value than expected.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Alexander Duyck 2009-10-05 06:35:42 +00:00 • committed by David S. Miller

parent ab576389b7

commit 2553bb2681

1 changed files with 25 additions and 14 deletions

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39

drivers/net/igb/e1000_phy.c

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