[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>

[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>
Alan Cox · Linus Torvalds
1 parent 19dbaf6f6f
Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff
drivers/char/moxa.c
@@ -1649,6 +1649,8 @@
 	case MOXA_FIND_BOARD:
 	case MOXA_LOAD_C320B:
 	case MOXA_LOAD_CODE:
+		if (!capable(CAP_SYS_RAWIO))
+			return -EPERM;
 		break;
 	}
...	...	@@ -1649,6 +1649,8 @@
1649	1649	case MOXA_FIND_BOARD:
1650	1650	case MOXA_LOAD_C320B:
1651	1651	case MOXA_LOAD_CODE:
	1652	+ if (!capable(CAP_SYS_RAWIO))
	1653	+ return -EPERM;
1652	1654	break;
1653	1655	}
1654	1656