From: Aditya Pakki pakki001@umn.edu
[ Upstream commit 9c6260de505b63638dd86fcc33849b17f6146d94 ]
idr_find() may fail and return a NULL pointer. The fix checks the return value of the function and returns an error in case of NULL.
Signed-off-by: Aditya Pakki pakki001@umn.edu Acked-by: Michal Kalderon michal.kalderon@marvell.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/qedr/qedr_iw_cm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c index 505fa36487629..93b16237b7677 100644 --- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c @@ -492,6 +492,8 @@ int qedr_iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) int i;
qp = idr_find(&dev->qpidr.idr, conn_param->qpn); + if (unlikely(!qp)) + return -EINVAL;
laddr = (struct sockaddr_in *)&cm_id->m_local_addr; raddr = (struct sockaddr_in *)&cm_id->m_remote_addr;