linux-kernel - [PATCH 3/5] ocxl: read_pasid never returns an error, so make it void

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Date:   Wed, 13 Mar 2019 15:06:59 +1100
From:   "Alastair D'Silva" <alastair@....ibm.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     "Alastair D'Silva" <alastair@...ilva.org>,
        Greg Kurz <groug@...d.org>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <andrew.donnellan@....ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] ocxl: read_pasid never returns an error, so make it void

From: Alastair D'Silva <alastair@...ilva.org>

No need for a return value in read_pasid as it only returns 0.

Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
Reviewed-by: Greg Kurz <groug@...d.org>
---
 drivers/misc/ocxl/config.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
index 0ee7856b033d..026ac2ac4f9c 100644
--- a/drivers/misc/ocxl/config.c
+++ b/drivers/misc/ocxl/config.c
@@ -68,7 +68,7 @@ static int find_dvsec_afu_ctrl(struct pci_dev *dev, u8 afu_idx)
 	return 0;
 }
 
-static int read_pasid(struct pci_dev *dev, struct ocxl_fn_config *fn)
+static void read_pasid(struct pci_dev *dev, struct ocxl_fn_config *fn)
 {
 	u16 val;
 	int pos;
@@ -89,7 +89,6 @@ static int read_pasid(struct pci_dev *dev, struct ocxl_fn_config *fn)
 out:
 	dev_dbg(&dev->dev, "PASID capability:\n");
 	dev_dbg(&dev->dev, "  Max PASID log = %d\n", fn->max_pasid_log);
-	return 0;
 }
 
 static int read_dvsec_tl(struct pci_dev *dev, struct ocxl_fn_config *fn)
@@ -205,11 +204,7 @@ int ocxl_config_read_function(struct pci_dev *dev, struct ocxl_fn_config *fn)
 {
 	int rc;
 
-	rc = read_pasid(dev, fn);
-	if (rc) {
-		dev_err(&dev->dev, "Invalid PASID configuration: %d\n", rc);
-		return -ENODEV;
-	}
+	read_pasid(dev, fn);
 
 	rc = read_dvsec_tl(dev, fn);
 	if (rc) {
-- 
2.20.1