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authorAlan Cox <alan@redhat.com>2006-01-09 09:35:28 -0500
committerChris Wright <chrisw@sous-sol.org>2006-01-14 22:15:30 -0800
commitf72e024e3a4705336b04109756bc619e7ae62fdb (patch)
treec477bb2c721a4b31c4e624e19100b5d02836ab32
parent7abeff5a23abb2d0edc54cc1cc3acaf886ea98ca (diff)
downloadlinux-linaro-stable-f72e024e3a4705336b04109756bc619e7ae62fdb.tar.gz
[PATCH] moxa serial: add proper capability check
This requires the proper capabilities for the moxa bios update ioctl's. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
-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 79e490ef2cf2..68844439b59b 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -1661,6 +1661,8 @@ 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;
}