[PATCH] [34/106] mfd: ab3100: world-writable debugfs *_priv files

From: Andi Kleen
Date: Tue Apr 26 2011 - 17:31:15 EST


2.6.35-longterm review patch. If anyone has any objections, please let me know.

------------------
From: Vasiliy Kulikov <segoon@xxxxxxxxxxxx>

commit f8a0697722d12a201588225999cfc8bfcbc82781 upstream.

Don't allow everybody to change device hardware registers.

Signed-off-by: Vasiliy Kulikov <segoon@xxxxxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>
Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

---
drivers/mfd/ab3100-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6.35.y/drivers/mfd/ab3100-core.c
===================================================================
--- linux-2.6.35.y.orig/drivers/mfd/ab3100-core.c
+++ linux-2.6.35.y/drivers/mfd/ab3100-core.c
@@ -611,7 +611,7 @@ static void ab3100_setup_debugfs(struct
ab3100_get_priv.ab3100 = ab3100;
ab3100_get_priv.mode = false;
ab3100_get_reg_file = debugfs_create_file("get_reg",
- S_IWUGO, ab3100_dir, &ab3100_get_priv,
+ S_IWUSR, ab3100_dir, &ab3100_get_priv,
&ab3100_get_set_reg_fops);
if (!ab3100_get_reg_file) {
err = -ENOMEM;
@@ -621,7 +621,7 @@ static void ab3100_setup_debugfs(struct
ab3100_set_priv.ab3100 = ab3100;
ab3100_set_priv.mode = true;
ab3100_set_reg_file = debugfs_create_file("set_reg",
- S_IWUGO, ab3100_dir, &ab3100_set_priv,
+ S_IWUSR, ab3100_dir, &ab3100_set_priv,
&ab3100_get_set_reg_fops);
if (!ab3100_set_reg_file) {
err = -ENOMEM;
--
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