diff options
| -rw-r--r-- | drivers/rapidio/rio-scan.c | 6 | ||||
| -rw-r--r-- | drivers/rapidio/rio.c | 2 | ||||
| -rw-r--r-- | drivers/rapidio/rio.h | 2 |
3 files changed, 9 insertions, 1 deletions
diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index d2ea01872d6..e3efdf93df5 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -762,6 +762,12 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port, u16 destid; int tmp; + if (rio_mport_chk_dev_access(port, + RIO_ANY_DESTID(port->sys_size), hopcount)) { + pr_debug("RIO: device access check failed\n"); + return -1; + } + if (rio_get_host_deviceid_lock(port, hopcount) == port->host_deviceid) { pr_debug("RIO: PE already discovered by this host\n"); /* diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index aefc2a0004d..fa5e3cbe4c8 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -546,7 +546,7 @@ err_out: * @destid: Device destination ID in network * @hopcount: Number of hops into the network */ -static int +int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, u8 hopcount) { int i = 0; diff --git a/drivers/rapidio/rio.h b/drivers/rapidio/rio.h index bc71ba1d239..d249a1205c7 100644 --- a/drivers/rapidio/rio.h +++ b/drivers/rapidio/rio.h @@ -24,6 +24,8 @@ extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, u16 destid, u8 hopcount); extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, u8 hopcount, u32 from); +extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, + u8 hopcount); extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); extern int rio_enum_mport(struct rio_mport *mport); extern int rio_disc_mport(struct rio_mport *mport); |