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firewire: sbp2: fix freeing of unallocated memory
If a target writes invalid status (typically status of a command that already timed out), firewire-sbp2 attempts to put away an ORB that doesn't exist. https://bugzilla.redhat.com/show_bug.cgi?id=519772 Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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1 changed files with 4 additions and 4 deletions
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@ -456,12 +456,12 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
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}
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spin_unlock_irqrestore(&card->lock, flags);
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if (&orb->link != &lu->orb_list)
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if (&orb->link != &lu->orb_list) {
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orb->callback(orb, &status);
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else
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kref_put(&orb->kref, free_orb);
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} else {
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fw_error("status write for unknown orb\n");
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kref_put(&orb->kref, free_orb);
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}
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fw_send_response(card, request, RCODE_COMPLETE);
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}
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