[PATCH 4.14 090/164] IB/srp: Fix srp_abort()

From: Greg Kroah-Hartman
Date: Sun Apr 22 2018 - 11:24:05 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Bart Van Assche <bart.vanassche@xxxxxxx>

commit e68088e78d82920632eba112b968e49d588d02a2 upstream.

Before commit e494f6a72839 ("[SCSI] improved eh timeout handler") it
did not really matter whether or not abort handlers like srp_abort()
called .scsi_done() when returning another value than SUCCESS. Since
that commit however this matters. Hence only call .scsi_done() when
returning SUCCESS.

Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/infiniband/ulp/srp/ib_srp.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2656,9 +2656,11 @@ static int srp_abort(struct scsi_cmnd *s
ret = FAST_IO_FAIL;
else
ret = FAILED;
- srp_free_req(ch, req, scmnd, 0);
- scmnd->result = DID_ABORT << 16;
- scmnd->scsi_done(scmnd);
+ if (ret == SUCCESS) {
+ srp_free_req(ch, req, scmnd, 0);
+ scmnd->result = DID_ABORT << 16;
+ scmnd->scsi_done(scmnd);
+ }

return ret;
}