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* [PATCH] charger-manager: Fix checking of wrong return type
@ 2014-03-17 11:33 Chanwoo Choi
  2014-03-19  4:43 ` Chanwoo Choi
  0 siblings, 1 reply; 4+ messages in thread
From: Chanwoo Choi @ 2014-03-17 11:33 UTC (permalink / raw)
  To: dbaryshkov, dwmw2, myungjoo.ham; +Cc: kyungmin.park, linux-kernel, Chanwoo Choi

This patch fix minor issue about checking wrong return type.

The of_cm_parse_desc() return ERR_PTR(errnor number) when some error happen
in this function. But, charger_manager_probe() has only checked whether
desc is NULL or not. If of_cm_parse_desc() returns ERR_PTR(-ENOMEM), desc
isn't NULL but desc is (void *)(-ENOMEM). Althouhg some error happen for parsing
DT, charger_manager_probe() can't detect error of desc instance.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
---
 drivers/power/charger-manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 9e4dab4..a10fb57 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -1677,7 +1677,7 @@ static int charger_manager_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (!desc) {
+	if (IS_ERR(desc)) {
 		dev_err(&pdev->dev, "No platform data (desc) found\n");
 		return -ENODEV;
 	}
-- 
1.8.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH] charger-manager: Fix checking of wrong return type
@ 2014-03-17 11:31 y
  2014-03-17 11:33 ` Chanwoo Choi
  0 siblings, 1 reply; 4+ messages in thread
From: y @ 2014-03-17 11:31 UTC (permalink / raw)
  To: dbaryshkov, dwmw2, myungjoo.ham; +Cc: kyungmin.park, linux-kernel, Chanwoo Choi

From: Chanwoo Choi <cw00.choi@samsung.com>

This patch fix minor issue about checking wrong return type.

The of_cm_parse_desc() return ERR_PTR(errnor number) when some error happen
in this function. But, charger_manager_probe() has only checked whether
desc is NULL or not. If of_cm_parse_desc() returns ERR_PTR(-ENOMEM), desc
isn't NULL but desc is (void *)(-ENOMEM). Althouhg some error happen for parsing
DT, charger_manager_probe() can't detect error of desc instance.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
---
 drivers/power/charger-manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 9e4dab4..a10fb57 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -1677,7 +1677,7 @@ static int charger_manager_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (!desc) {
+	if (IS_ERR(desc)) {
 		dev_err(&pdev->dev, "No platform data (desc) found\n");
 		return -ENODEV;
 	}
-- 
1.8.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2014-03-19  4:43 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2014-03-17 11:33 [PATCH] charger-manager: Fix checking of wrong return type Chanwoo Choi
2014-03-19  4:43 ` Chanwoo Choi
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2014-03-17 11:31 y
2014-03-17 11:33 ` Chanwoo Choi

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