[PATCH 15/17] [PATCH] moxa serial: add proper capability check

-stable review patch.  If anyone has any objections, please let us know.
------------------

This requires the proper capabilities for the moxa bios update ioctl's.

Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
 drivers/char/moxa.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux-2.6.15.y.orig/drivers/char/moxa.c
+++ linux-2.6.15.y/drivers/char/moxa.c
@@ -1661,6 +1661,8 @@ int MoxaDriverIoctl(unsigned int cmd, un
 	case MOXA_FIND_BOARD:
 	case MOXA_LOAD_C320B:
 	case MOXA_LOAD_CODE:
+		if (!capable(CAP_SYS_RAWIO))
+			return -EPERM;
 		break;
 	}
 

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---

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    • From: Chris Wright <[email protected]>

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