linux-kernel - [PATCH] staging:kpc2000:Fix sparse warnings

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Date:   Fri, 28 Jun 2019 00:21:38 +0530
From:   Harsh Jain <harshjain32@...il.com>
To:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org, harshjain32@...il.com,
        harshjain.prof@...il.com
Subject: [PATCH] staging:kpc2000:Fix sparse warnings

From: root <harshjain32@...il.com>

Fix following sparse warning
symbol was not declared. Should it be static?
Using plain integer as NULL pointer

Signed-off-by: Harsh Jain <harshjain32@...il.com>
---
 drivers/staging/kpc2000/kpc_i2c/i2c_driver.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/kpc2000/kpc_i2c/i2c_driver.c b/drivers/staging/kpc2000/kpc_i2c/i2c_driver.c
index 0fb068b2408d..155da641e3a2 100644
--- a/drivers/staging/kpc2000/kpc_i2c/i2c_driver.c
+++ b/drivers/staging/kpc2000/kpc_i2c/i2c_driver.c
@@ -614,7 +614,7 @@ static const struct i2c_algorithm smbus_algorithm = {
 /********************************
  *** Part 2 - Driver Handlers ***
  ********************************/
-int pi2c_probe(struct platform_device *pldev)
+static int pi2c_probe(struct platform_device *pldev)
 {
     int err;
     struct i2c_device *priv;
@@ -664,7 +664,7 @@ int pi2c_probe(struct platform_device *pldev)
     return 0;
 }
 
-int pi2c_remove(struct platform_device *pldev)
+static int pi2c_remove(struct platform_device *pldev)
 {
     struct i2c_device *lddev;
     dev_dbg(&pldev->dev, "pi2c_remove(pldev = %p '%s')\n", pldev, pldev->name);
@@ -679,9 +679,9 @@ int pi2c_remove(struct platform_device *pldev)
     //pci_set_drvdata(dev, NULL);
     
     //cdev_del(&lddev->cdev);
-    if(lddev != 0) {
+    if(lddev != NULL) {
         kfree(lddev);
-        pldev->dev.platform_data = 0;
+        pldev->dev.platform_data = NULL;
     }
     
     return 0;
-- 
2.17.1