[2.6.24-rc BUGFIX] IB/srp: release transport when removing host

[Dave Dillow]

When removing the ib_srp module, srp_remove_one() does not release the
SRP transport class when it is releasing the SCSI host. This leads to
dangling references to kfree()'d memory, and an eventual oops.

Signed-off-by: David Dillow <dillowda@xxxxxxxx>
---
On Fri, 2008-01-04 at 09:47 +0900, FUJITA Tomonori wrote:
> I think that this is the root problem and the patch fixes it in the
> right way. Please send this patch to linux-scsi@xxxxxxxxxxxxxxx and a
> patch to move srp_remove_host before scsi_remove_host in
> srp_remove_one to Roland.
> 
> Acked-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>

Not sure if your Acked-by was for this one as well, so I left it off.

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 950228f..bdb6f85 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2053,6 +2053,7 @@ static void srp_remove_one(struct ib_device *device)
 
 		list_for_each_entry_safe(target, tmp_target,
 					 &host->target_list, list) {
+			srp_remove_host(target->scsi_host);
 			scsi_remove_host(target->scsi_host);
 			srp_disconnect_target(target);
 			ib_destroy_cm_id(target->cm_id);

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/