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* [patch 8/9] acpi: check a return value correctly in acpi_power_get_context()
@ 2008-04-18 20:27 akpm
  2008-04-29  8:14 ` Len Brown
  0 siblings, 1 reply; 2+ messages in thread
From: akpm @ 2008-04-18 20:27 UTC (permalink / raw)
  To: lenb; +Cc: linux-acpi, akpm, lizf, yakui.zhao

From: Li Zefan <lizf@cn.fujitsu.com>

We should check *resource != NULL rather than resource != NULL, which will be
always true.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Zhao Yakui <yakui.zhao@intel.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/acpi/power.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN drivers/acpi/power.c~acpi-check-a-return-value-correctly-in-acpi_power_get_context drivers/acpi/power.c
--- a/drivers/acpi/power.c~acpi-check-a-return-value-correctly-in-acpi_power_get_context
+++ a/drivers/acpi/power.c
@@ -121,7 +121,7 @@ acpi_power_get_context(acpi_handle handl
 	}
 
 	*resource = acpi_driver_data(device);
-	if (!resource)
+	if (!*resource)
 		return -ENODEV;
 
 	return 0;
_

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2008-04-18 20:27 [patch 8/9] acpi: check a return value correctly in acpi_power_get_context() akpm
2008-04-29  8:14 ` Len Brown

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