linux-kernel - [PATCH] staging/udlfb: Fix sparse warning 'Using plain integer as NULL pointer'

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Message-Id: <1291760201-18531-1-git-send-email-peterhuewe@gmx.de>
Date:	Tue,  7 Dec 2010 23:16:41 +0100
From:	Peter Huewe <peterhuewe@....de>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	Joe Perches <joe@...ches.com>,
	Bernie Thompson <bernie@...gable.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Peter Huewe <peterhuewe@....de>
Subject: [PATCH] staging/udlfb: Fix sparse warning 'Using plain integer as NULL pointer'

This patch fixes the warning generated by sparse: "Using plain integer
as NULL pointer" by replacing the offending 0s with NULL.

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
KernelVersion: linux-next-20101207

 drivers/staging/udlfb/udlfb.c |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c
index 8dd21e0..6586d38 100644
--- a/drivers/staging/udlfb/udlfb.c
+++ b/drivers/staging/udlfb/udlfb.c
@@ -395,10 +395,10 @@ static void dlfb_compress_hline(
 
 	while ((pixel_end > pixel) &&
 	       (cmd_buffer_end - MIN_RLX_CMD_BYTES > cmd)) {
-		uint8_t *raw_pixels_count_byte = 0;
-		uint8_t *cmd_pixels_count_byte = 0;
-		const uint16_t *raw_pixel_start = 0;
-		const uint16_t *cmd_pixel_start, *cmd_pixel_end = 0;
+		uint8_t *raw_pixels_count_byte = NULL;
+		uint8_t *cmd_pixels_count_byte = NULL;
+		const uint16_t *raw_pixel_start = NULL;
+		const uint16_t *cmd_pixel_start, *cmd_pixel_end = NULL;
 
 		prefetchw((void *) cmd); /* pull in one cache line at least */
 
@@ -1277,7 +1277,7 @@ static int dlfb_setup_modes(struct dlfb_data *dev,
 	/* If everything else has failed, fall back to safe default mode */
 	if (default_vmode == NULL) {
 
-		struct fb_videomode fb_vmode = {0};
+		struct fb_videomode fb_vmode = {NULL};
 
 		/*
 		 * Add the standard VESA modes to our modelist
@@ -1533,8 +1533,8 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 			const struct usb_device_id *id)
 {
 	struct usb_device *usbdev;
-	struct dlfb_data *dev = 0;
-	struct fb_info *info = 0;
+	struct dlfb_data *dev = NULL;
+	struct fb_info *info = NULL;
 	int retval = -ENOMEM;
 	int i;
 
-- 
1.7.2.2

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