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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-21 16:19:32 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-21 16:19:32 -0700
commit8aee74c8ee875448cc6d1cf995c9469eb60ae515 (patch)
tree9e9f57dd7fe321825d7e39472cf44777c82f39cf /drivers/infiniband/hw/mlx4/srq.c
parent080e89270a7bfb7d01fac9a67050f8ac6d6cdd11 (diff)
parent9f81036c54ed1f860d2807c5a6aa4f2b30c21204 (diff)
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: IB/cm: Improve local id allocation IPoIB/cm: Fix SRQ WR leak IB/ipoib: Fix typos in error messages IB/mlx4: Check if SRQ is full when posting receive IB/mlx4: Pass send queue sizes from userspace to kernel IB/mlx4: Fix check of opcode in mlx4_ib_post_send() mlx4_core: Fix array overrun in dump_dev_cap_flags() IB/mlx4: Fix RESET to RESET and RESET to ERROR transitions IB/mthca: Fix RESET to ERROR transition IB/mlx4: Set GRH:HopLimit when sending globally routed MADs IB/mthca: Set GRH:HopLimit when building MLX headers IB/mlx4: Fix check of max_qp_dest_rdma in modify QP IB/mthca: Fix use-after-free on device restart IB/ehca: Return proper error code if register_mr fails IPoIB: Handle P_Key table reordering IB/core: Use start_port() and end_port() IB/core: Add helpers for uncached GID and P_Key searches IB/ipath: Fix potential deadlock with multicast spinlocks IB/core: Free umem when mm is already gone
Diffstat (limited to 'drivers/infiniband/hw/mlx4/srq.c')
-rw-r--r--drivers/infiniband/hw/mlx4/srq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 42ab4a801d6..12fac1c8989 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -297,6 +297,12 @@ int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
break;
}
+ if (unlikely(srq->head == srq->tail)) {
+ err = -ENOMEM;
+ *bad_wr = wr;
+ break;
+ }
+
srq->wrid[srq->head] = wr->wr_id;
next = get_wqe(srq, srq->head);