From: Ranjan Kumar <ranjan.kumar@broadcom.com>
To: linux-scsi@vger.kernel.org, martin.petersen@oracle.com
Cc: sathya.prakash@broadcom.com, sreekanth.reddy@broadcom.com,
Ranjan Kumar <ranjan.kumar@broadcom.com>,
stable@vger.kernel.org
Subject: [PATCH] mpt3sas: Improvised loop logic
Date: Fri, 20 Oct 2023 16:28:49 +0530 [thread overview]
Message-ID: <20231020105849.6350-1-ranjan.kumar@broadcom.com> (raw)
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The loop continues to iterate until the count reaches 30,
even after receiving the correct value.That is fixed by
breaking when non-zero value is read.
Fixes: 4ca10f3e3174 ("mpt3sas: Perform additional retries if doorbell read returns 0")
Cc: stable@vger.kernel.org
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 61a32bf00747..a75f670bf551 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -223,8 +223,8 @@ _base_readl_ext_retry(const void __iomem *addr)
for (i = 0 ; i < 30 ; i++) {
ret_val = readl(addr);
- if (ret_val == 0)
- continue;
+ if (ret_val != 0)
+ break;
}
return ret_val;
--
2.31.1
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next reply other threads:[~2023-10-20 11:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-20 10:58 Ranjan Kumar [this message]
2023-10-25 2:35 ` [PATCH] mpt3sas: Improvised loop logic Martin K. Petersen
2023-10-30 15:34 ` Martin K. Petersen
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