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path: root/drivers/scsi/aacraid/aachba.c
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Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
-rw-r--r--drivers/scsi/aacraid/aachba.c52
1 files changed, 40 insertions, 12 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 2a889853a106..7e26ebc26661 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -293,7 +293,10 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag)
status = -EINVAL;
}
}
- aac_fib_complete(fibptr);
+ /* Do not set XferState to zero unless receives a response from F/W */
+ if (status >= 0)
+ aac_fib_complete(fibptr);
+
/* Send a CT_COMMIT_CONFIG to enable discovery of devices */
if (status >= 0) {
if ((aac_commit == 1) || commit_flag) {
@@ -310,13 +313,18 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag)
FsaNormal,
1, 1,
NULL, NULL);
- aac_fib_complete(fibptr);
+ /* Do not set XferState to zero unless
+ * receives a response from F/W */
+ if (status >= 0)
+ aac_fib_complete(fibptr);
} else if (aac_commit == 0) {
printk(KERN_WARNING
"aac_get_config_status: Foreign device configurations are being ignored\n");
}
}
- aac_fib_free(fibptr);
+ /* FIB should be freed only after getting the response from the F/W */
+ if (status != -ERESTARTSYS)
+ aac_fib_free(fibptr);
return status;
}
@@ -355,7 +363,9 @@ int aac_get_containers(struct aac_dev *dev)
maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
aac_fib_complete(fibptr);
}
- aac_fib_free(fibptr);
+ /* FIB should be freed only after getting the response from the F/W */
+ if (status != -ERESTARTSYS)
+ aac_fib_free(fibptr);
if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
@@ -1245,8 +1255,12 @@ int aac_get_adapter_info(struct aac_dev* dev)
NULL);
if (rcode < 0) {
- aac_fib_complete(fibptr);
- aac_fib_free(fibptr);
+ /* FIB should be freed only after
+ * getting the response from the F/W */
+ if (rcode != -ERESTARTSYS) {
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ }
return rcode;
}
memcpy(&dev->adapter_info, info, sizeof(*info));
@@ -1270,6 +1284,12 @@ int aac_get_adapter_info(struct aac_dev* dev)
if (rcode >= 0)
memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
+ if (rcode == -ERESTARTSYS) {
+ fibptr = aac_fib_alloc(dev);
+ if (!fibptr)
+ return -ENOMEM;
+ }
+
}
@@ -1470,9 +1490,11 @@ int aac_get_adapter_info(struct aac_dev* dev)
(dev->scsi_host_ptr->sg_tablesize * 8) + 112;
}
}
-
- aac_fib_complete(fibptr);
- aac_fib_free(fibptr);
+ /* FIB should be freed only after getting the response from the F/W */
+ if (rcode != -ERESTARTSYS) {
+ aac_fib_complete(fibptr);
+ aac_fib_free(fibptr);
+ }
return rcode;
}
@@ -1633,6 +1655,7 @@ static int aac_read(struct scsi_cmnd * scsicmd)
* Alocate and initialize a Fib
*/
if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
+ printk(KERN_WARNING "aac_read: fib allocation failed\n");
return -1;
}
@@ -1712,9 +1735,14 @@ static int aac_write(struct scsi_cmnd * scsicmd)
* Allocate and initialize a Fib then setup a BlockWrite command
*/
if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
- scsicmd->result = DID_ERROR << 16;
- scsicmd->scsi_done(scsicmd);
- return 0;
+ /* FIB temporarily unavailable,not catastrophic failure */
+
+ /* scsicmd->result = DID_ERROR << 16;
+ * scsicmd->scsi_done(scsicmd);
+ * return 0;
+ */
+ printk(KERN_WARNING "aac_write: fib allocation failed\n");
+ return -1;
}
status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);