[SCSI] scsi_transport_fc: Protect against overflow in dev_loss_tmo
authorHannes Reinecke <hare@suse.de>
Tue, 9 Mar 2010 09:18:48 +0000 (10:18 +0100)
committerJames Bottomley <James.Bottomley@suse.de>
Sun, 11 Apr 2010 14:23:27 +0000 (09:23 -0500)
commit36dd288f0f930c154ec6a4d73a6a35f3079418c6
tree63fb1e1ec6716561051a2da94479904ffaeac016
parentbb789d01620e5d36081b22edb6fb71cf55ff043c
[SCSI] scsi_transport_fc: Protect against overflow in dev_loss_tmo

The rport structure defines dev_loss_tmo as u32, which is
later multiplied with HZ to get the actual timeout value.
This might overflow for large dev_loss_tmo values. So we
should be better using u64 as intermediate variables here
to protect against overflow.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
drivers/scsi/scsi_transport_fc.c