On 12/15/2015 04:52 PM, Nicholas Krause wrote: > This adds a needed error path in the function, cm_init_av_by_path > after the call to ib_init_ah_from_path in order to avoid incorrectly > accessing the path pointer of structure type ib_sa_path_rec if this > function call fails to complete its intended work successfully by > returning a error code. > > Signed-off-by: Nicholas Krause <xerofo...@gmail.com> > --- > drivers/infiniband/core/cm.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c > index 0a26dd6..e9b36ea 100644 > --- a/drivers/infiniband/core/cm.c > +++ b/drivers/infiniband/core/cm.c > @@ -383,8 +383,11 @@ static int cm_init_av_by_path(struct ib_sa_path_rec > *path, struct cm_av *av) > return ret; > > av->port = port; > - ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path, > - &av->ah_attr); > + ret = ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path, > + &av->ah_attr);
..Just wondering what if the transport don't require GRH? eg inside the same subnet? The hop_limit is only suggest that the package allowed to be routed, not have to, correct? Regards, Michael Wang > + if (ret) > + return ret; > + > av->timeout = path->packet_life_time + 1; > > return 0; > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
