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| author | Jayamohan Kallickal <jayamohan.kallickal@emulex.com> | 2011-10-07 19:31:10 -0500 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-10-16 11:03:19 -0500 |
| commit | bd5354511d00cb9c81c64b0544786807a2209488 (patch) | |
| tree | 4b6c293978decaa611a86c1c49fb6e477c88fe60 | |
| parent | 685e16fdcf4324fe75ff28940311598f01704eaa (diff) | |
| download | op-kernel-dev-bd5354511d00cb9c81c64b0544786807a2209488.zip op-kernel-dev-bd5354511d00cb9c81c64b0544786807a2209488.tar.gz | |
[SCSI] be2iscsi: Fix for case where task->sc was cleanedup earlier
This patch fixes a bug where the task->sc was cleaned up earlier on a
different thread, possibly abort, and the completion comes later.
This was causing a crash which has been reported in multiple places
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index e166d54..7b0a8ab 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -1123,7 +1123,12 @@ be_complete_io(struct beiscsi_conn *beiscsi_conn, & SOL_STS_MASK) >> 8); flags = ((psol->dw[offsetof(struct amap_sol_cqe, i_flags) / 32] & SOL_FLAGS_MASK) >> 24) | 0x80; + if (!task->sc) { + if (io_task->scsi_cmnd) + scsi_dma_unmap(io_task->scsi_cmnd); + return; + } task->sc->result = (DID_OK << 16) | status; if (rsp != ISCSI_STATUS_CMD_COMPLETED) { task->sc->result = DID_ERROR << 16; |
