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authorChad Dupuis <chad.dupuis@qlogic.com>2013-02-08 07:57:46 +0100
committerJames Bottomley <JBottomley@Parallels.com>2013-02-22 13:24:42 +0100
commit1bcc46cb74d3ba7471eac57af8931ca1a03e7b36 (patch)
tree52439be1bf861588368e690058754cc2bee170fb
parent[SCSI] qla2xxx: Print thermal unsupported message. (diff)
downloadlinux-1bcc46cb74d3ba7471eac57af8931ca1a03e7b36.tar.xz
linux-1bcc46cb74d3ba7471eac57af8931ca1a03e7b36.zip
[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: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c8
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c2
2 files changed, 9 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index f7cb6a3fa7d4..5b49766e0ae7 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -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);
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index af045ed0a230..c1d2310c615e 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -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, |