android_kernel_samsung_msm8976/drivers/infiniband/ulp
Jack Morgenstein 71d98b4628 IPoIB: In unicast_arp_send(), only free newly-created paths
If path_rec_start() returns error, call path_free() only if the path
was newly-created.  If we free an existing path whose valid flag was zero,
(but do not detach it from the list) we cause corruption of the
path list (of which it is a member), and get a kernel crash.

The simplest solution is to not free an existing path -- just leave it
in the list as-is (i.e., with its valid flag cleared).

Thanks to Yossi Etigin of Voltaire for identifying the problem flow
which caused the kernel crash.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Moni Shua <monis@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2009-02-17 14:51:47 -08:00
..
ipoib IPoIB: In unicast_arp_send(), only free newly-created paths 2009-02-17 14:51:47 -08:00
iser IB/iser: Add dependency on INFINIBAND_ADDR_TRANS 2009-01-12 19:30:41 -08:00
srp infiniband: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-06 10:44:39 -08:00