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	Wed, 2 May 2012 19:55:03 -0400
From: H Hartley Sweeten <hartleys@visionengravers.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH] watchdog: sp5100_tco.c: quiet sparse noise about using plain integer was NULL pointer
Date: Wed, 2 May 2012 16:54:43 -0700
CC: <linux-watchdog@vger.kernel.org>, <wim@iguana.be>
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Message-ID: <201205021654.43838.hartleys@visionengravers.com>
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Pointers should not be compared to plain integers.
Quiets the sparse warning:
warning: Using plain integer as NULL pointer

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Wim Van Sebroeck <wim@iguana.be>

---

diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 59108e4..ae5e82c 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -313,7 +313,7 @@ static unsigned char __devinit sp5100_tco_setupdevice(void)
 	tcobase_phys = val;
 
 	tcobase = ioremap(val, SP5100_WDT_MEM_MAP_SIZE);
-	if (tcobase == 0) {
+	if (!tcobase) {
 		pr_err("failed to get tcobase address\n");
 		goto unreg_mem_region;
 	}