[PATCH] watchdog: sp5100_tco.c: quiet sparse noise about using plain integer was NULL pointer

From: H Hartley Sweeten
Date: Wed May 02 2012 - 19:55:06 EST


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@xxxxxxxxxxxxxxxxxxx>
Cc: Wim Van Sebroeck <wim@xxxxxxxxx>

---

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;
}
--
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