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authorAlan Cox <alan@redhat.com>2006-01-09 09:35:28 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 09:45:36 -0800
commit49cd619c69d643b30a24029e40eb5364c7a26b2e (patch)
tree77d181378b85210b3b32a9b22e3363408ebe786a /drivers
parent19dbaf6f6f0f3b766df08594446d64747a5cced3 (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/moxa.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 5e3ef5522194..f43c2e04eadd 100644
--- 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;
}