From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 22 Oct 2019 13:23:24 +0300
Subject: scsi: esas2r: unlock on error in esas2r_nvram_read_direct()
Git-commit: 906ca6353ac09696c1bf0892513c8edffff5e0a6
Patch-mainline: v5.5-rc1
References: bsc#1171608
This error path is missing an unlock.
Fixes: 26780d9e12ed ("[SCSI] esas2r: ATTO Technology ExpressSAS 6G SAS/SATA RAID Adapter Driver")
Link: https://lore.kernel.org/r/20191022102324.GA27540@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
drivers/scsi/esas2r/esas2r_flash.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/esas2r/esas2r_flash.c b/drivers/scsi/esas2r/esas2r_flash.c
index 7bd376d95ed5..b02ac389e6c6 100644
--- a/drivers/scsi/esas2r/esas2r_flash.c
+++ b/drivers/scsi/esas2r/esas2r_flash.c
@@ -1197,6 +1197,7 @@ bool esas2r_nvram_read_direct(struct esas2r_adapter *a)
if (!esas2r_read_flash_block(a, a->nvram, FLS_OFFSET_NVR,
sizeof(struct esas2r_sas_nvram))) {
esas2r_hdebug("NVRAM read failed, using defaults");
+ up(&a->nvram_semaphore);
return false;
}