[PATCH] moxa serial: add proper capability check

This requires the proper capabilities for the moxa bios update ioctl's. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-09 09:35:28 -05:00 · 2006-01-09 09:35:28 -05:00 · 49cd619c69
parent 19dbaf6f6f
commit 49cd619c69
1 changed files with 2 additions and 0 deletions
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@ -1649,6 +1649,8 @@ int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port)
 	case MOXA_FIND_BOARD:
 	case MOXA_LOAD_C320B:
 	case MOXA_LOAD_CODE:
+		if (!capable(CAP_SYS_RAWIO))
+			return -EPERM;
 		break;
 	}