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nvmet-fc: hold reference on hostport match

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The hostport data structure is shared between the association, this why
we keep track of the users via a refcount. So we should not decrement
the refcount on a match and free the hostport several times.

Reported by KASAN.

Reviewed-by: Hannes Reinecke <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Daniel Wagner <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
This commit is contained in:
Daniel Wagner
2024-02-01 07:44:51 -08:00
committed by Keith Busch
parent c5e27b1a77
commit ca121a0f75
1 changed files with 0 additions and 2 deletions
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drivers/nvme/target/fc.c
-2
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@@ -1068,8 +1068,6 @@ nvmet_fc_alloc_hostport(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
/* new allocation not needed */
kfree(newhost);
newhost = match;
/* no new allocation - release reference */
nvmet_fc_tgtport_put(tgtport);
} else {
newhost->tgtport = tgtport;
newhost->hosthandle = hosthandle;