linux-kernel - [PATCH 1/5] staging: omap-thermal: fix error check in omap_thermal_expose_sensor() and in omap_thermal_register_cpu

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Date:	Wed, 12 Dec 2012 01:24:50 +0100
From:	Cyril Roelandt <tipecaml@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org,
	Cyril Roelandt <tipecaml@...il.com>,
	gregkh@...uxfoundation.org, eduardo.valentin@...com,
	rui.zhang@...el.com, durgadoss.r@...el.com, rjw@...k.pl,
	devel@...verdev.osuosl.org
Subject: [PATCH 1/5] staging: omap-thermal: fix error check in omap_thermal_expose_sensor() and in omap_thermal_register_cpu_cooling().


The omap_bandgap_get_sensor_data() function returns ERR_PTR(), so we need to use
IS_ERR() rather than a NULL check.

Signed-off-by: Cyril Roelandt <tipecaml@...il.com>
---
 drivers/staging/omap-thermal/omap-thermal-common.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/omap-thermal/omap-thermal-common.c b/drivers/staging/omap-thermal/omap-thermal-common.c
index 61f1070..79a55aa 100644
--- a/drivers/staging/omap-thermal/omap-thermal-common.c
+++ b/drivers/staging/omap-thermal/omap-thermal-common.c
@@ -260,7 +260,7 @@ int omap_thermal_expose_sensor(struct omap_bandgap *bg_ptr, int id,
 
 	data = omap_bandgap_get_sensor_data(bg_ptr, id);
 
-	if (!data)
+	if (IS_ERR(data))
 		data = omap_thermal_build_data(bg_ptr, id);
 
 	if (!data)
@@ -309,7 +309,7 @@ int omap_thermal_register_cpu_cooling(struct omap_bandgap *bg_ptr, int id)
 	struct omap_thermal_data *data;
 
 	data = omap_bandgap_get_sensor_data(bg_ptr, id);
-	if (!data)
+	if (IS_ERR(data))
 		data = omap_thermal_build_data(bg_ptr, id);
 
 	if (!data)
-- 
1.7.10.4

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