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/block/umem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 7939b9f..244cfb2 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -79,7 +79,7 @@ static int debug;
 #define DEBUG_LED_ON_TRANSFER  0x01
 #define DEBUG_BATTERY_POLLING  0x02
 
-module_param(debug, int, 0644);
+module_param(debug, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
 MODULE_PARM_DESC(debug, "Debug bitmask");
 
 static int pci_read_cmd = 0x0C;                /* Read Multiple */
-- 
2.9.2

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