I find that the developers often just specified the numeric value
when calling a macro which is defined with a parameter for access permission.
As we know, these numeric value for access permission have had the 
corresponding macro,
and that using macro can improve the robustness and readability of the code,
thus, I suggest replacing the numeric parameter with the macro.

Signed-off-by: Chuansheng Liu <[email protected]>
Signed-off-by: Baole Ni <[email protected]>
---
 drivers/acpi/sbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index ad0b13a..e27ecbf 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -55,7 +55,7 @@ MODULE_DESCRIPTION("Smart Battery System ACPI interface 
driver");
 MODULE_LICENSE("GPL");
 
 static unsigned int cache_time = 1000;
-module_param(cache_time, uint, 0644);
+module_param(cache_time, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
 MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
 
 static bool sbs_manager_broken;
-- 
2.9.2

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