Commit 1bcc46cb authored by Chad Dupuis's avatar Chad Dupuis Committed by James Bottomley
Browse files

[SCSI] qla2xxx: Reject loopback request if one is already in progress. 



If another function on the port has initiated a loopback operation do not
process the current request.

Signed-off-by: default avatarChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: default avatarSaurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 37f489b5

drivers/scsi/qla2xxx/qla_bsg.c

+8 −0
Original line number Diff line number Diff line
@@ -746,6 +746,14 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) 
				goto done_free_dma_rsp;

			}



			if ((config[0] & INTERNAL_LOOPBACK_MASK) != 0) {

				ql_dbg(ql_dbg_user, vha, 0x70c4,

				    "Loopback operation already in "

				    "progress.\n");

				rval = -EAGAIN;

				goto done_free_dma_rsp;

			}



			ql_dbg(ql_dbg_user, vha, 0x70c0,

			    "elreq.options=%04x\n", elreq.options);

drivers/scsi/qla2xxx/qla_dbg.c

+1 −1
Original line number Diff line number Diff line
@@ -24,7 +24,7 @@ 
 * | Async Events                 |       0x5071       | 0x502b-0x502f  |

 * |                              |                    | 0x5047,0x5052  |

 * | Timer Routines               |       0x6011       |                |

 * | User Space Interactions      |       0x70c3       | 0x7018,0x702e, |

 * | User Space Interactions      |       0x70c4       | 0x7018,0x702e, |

 * |                              |                    | 0x7020,0x7024, |

 * |                              |                    | 0x7039,0x7045, |

 * |                              |                    | 0x7073-0x7075, |