| commit | 80edb722b919500450e83c49c20a9dc706de2fa6 | [log] [tgz] |
|---|---|---|
| author | Andrew Lunn <andrew@lunn.ch> | Fri Jun 05 01:10:09 2015 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Sun Jun 07 12:19:22 2015 -0700 |
| tree | 9662d8e2475b9a8f3190f75c5a6aa191767778c9 | |
| parent | d691f9e8d4405c334aa10d556e73c8bf44cb0e01 [diff] |
net: dsa: mv88e6xxx: Fix deadlock by double lock
ethtool -S on a DSA interface can deadlock for some switches because
the same lock is taken twice. Use the register read function which
expects the lock to be already held.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 31888234b736 ("net: dsa: mv88e6xxx: Replace stats mutex with SMI mutex")
Signed-off-by: David S. Miller <davem@davemloft.net>