[patch 1/2] arch/arm/mach-ux500/mbox-db5500.c: world-writable sysfs fifo file

From: Vasiliy Kulikov <redacted>
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 <redacted>
Cc: Srinidhi Kasagar <redacted>
Cc: Linus Walleij <redacted>
Cc: Russell King <redacted>
Signed-off-by: Andrew Morton <akpm@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)
 {

_