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[PATCH] moxa serial: add proper capability check
[deliverable/linux.git]
/
drivers
/
char
/
moxa.c
diff --git
a/drivers/char/moxa.c
b/drivers/char/moxa.c
index 5e3ef5522194d441758c006eb99ff34ef12b1703..f43c2e04eadd3878d57126b154afa2b4cbdc74aa 100644
(file)
--- 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;
}
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