* [PATCH 6/9] mpt2sas: Remove loop inside config request
@ 2009-08-07 14:07 Kashyap, Desai
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From: Kashyap, Desai @ 2009-08-07 14:07 UTC (permalink / raw)
To: linux-scsi; +Cc: James.Bottomley, Eric.Moore, Sathya.Prakash, stable
This restriction is introduced just to avoid loop of
config_request. Retry must be limited so we have restricted
config request to maximum 2 times.
---
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
---
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
index 8dcfa38..55a1b20 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -249,6 +249,12 @@ _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
retry_count = 0;
retry_config:
+ if (retry_count) {
+ if (retry_count > 2) /* attempt only 2 retries */
+ return -EFAULT;
+ printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
+ ioc->name, __func__, retry_count);
+ }
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
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2009-08-07 14:07 [PATCH 6/9] mpt2sas: Remove loop inside config request Kashyap, Desai
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