[SCSI] zfcp: fix: use correct req_id in eh_abort_handler

zfcp's eh_abort_handler used the wrong request ID to
identify the request to be aborted. The bug was introduced
with commit fea9d6c7bcd8ff1d60ff74f27ba483b3820b18a3
for improved management of request IDs. The bug is
fixed with this patch.

Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index d2b094d9c34f..504c9219961c 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -189,6 +189,10 @@ struct zfcp_fsf_req *zfcp_reqlist_ismember(struct zfcp_adapter *adapter,
         struct zfcp_fsf_req *request, *tmp;
         unsigned int i;
 
+        /* 0 is reserved as an invalid req_id */
+        if (req_id == 0)
+                return NULL;
+
         i = req_id % REQUEST_LIST_SIZE;
 
         list_for_each_entry_safe(request, tmp, &adapter->req_list[i], list)