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Subject[2.6.24-rc BUGFIX] IB/srp: release transport when removing host
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 <>
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 and a
> patch to move srp_remove_host before scsi_remove_host in
> srp_remove_one to Roland.
> Acked-by: FUJITA Tomonori <>

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);

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