[patch 1/2] arch/arm/mach-ux500/mbox-db5500.c: world-writable sysfs fifo file
akpm at linux-foundation.org
akpm at linux-foundation.org
Wed Feb 8 15:42:24 EST 2012
From: Vasiliy Kulikov <segoon at openwall.com>
Subject: arch/arm/mach-ux500/mbox-db5500.c: world-writable sysfs fifo file
Don't allow everybody to use a modem.
Signed-off-by: Vasiliy Kulikov <segoon at openwall.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar at stericsson.com>
Cc: Linus Walleij <linus.walleij at stericsson.com>
Cc: Russell King <linux at arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm at linux-foundation.org>
---
arch/arm/mach-ux500/mbox-db5500.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/arm/mach-ux500/mbox-db5500.c~arch-arm-mach-ux500-mbox-db5500c-world-writable-sysfs-fifo-file arch/arm/mach-ux500/mbox-db5500.c
--- a/arch/arm/mach-ux500/mbox-db5500.c~arch-arm-mach-ux500-mbox-db5500c-world-writable-sysfs-fifo-file
+++ a/arch/arm/mach-ux500/mbox-db5500.c
@@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct dev
return sprintf(buf, "0x%X\n", mbox_value);
}
-static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
+static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
static int mbox_show(struct seq_file *s, void *data)
{
_
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