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Diffstat (limited to 'net/sunrpc/xprtrdma/verbs.c')
-rw-r--r--net/sunrpc/xprtrdma/verbs.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 515dfc14b731..13dbd1c389ff 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1302,7 +1302,6 @@ rpcrdma_buffer_put(struct rpcrdma_req *req)
int i;
unsigned long flags;
- BUG_ON(req->rl_nchunks != 0);
spin_lock_irqsave(&buffers->rb_lock, flags);
buffers->rb_send_bufs[--buffers->rb_send_index] = req;
req->rl_niovs = 0;
@@ -1535,10 +1534,6 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
} else
post_wr = &frmr_wr;
- /* Bump the key */
- key = (u8)(seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey & 0x000000FF);
- ib_update_fast_reg_key(seg1->mr_chunk.rl_mw->r.frmr.fr_mr, ++key);
-
/* Prepare FRMR WR */
memset(&frmr_wr, 0, sizeof frmr_wr);
frmr_wr.wr_id = (unsigned long)(void *)seg1->mr_chunk.rl_mw;
@@ -1549,7 +1544,16 @@ rpcrdma_register_frmr_external(struct rpcrdma_mr_seg *seg,
frmr_wr.wr.fast_reg.page_list_len = page_no;
frmr_wr.wr.fast_reg.page_shift = PAGE_SHIFT;
frmr_wr.wr.fast_reg.length = page_no << PAGE_SHIFT;
- BUG_ON(frmr_wr.wr.fast_reg.length < len);
+ if (frmr_wr.wr.fast_reg.length < len) {
+ while (seg1->mr_nsegs--)
+ rpcrdma_unmap_one(ia, seg++);
+ return -EIO;
+ }
+
+ /* Bump the key */
+ key = (u8)(seg1->mr_chunk.rl_mw->r.frmr.fr_mr->rkey & 0x000000FF);
+ ib_update_fast_reg_key(seg1->mr_chunk.rl_mw->r.frmr.fr_mr, ++key);
+
frmr_wr.wr.fast_reg.access_flags = (writing ?
IB_ACCESS_REMOTE_WRITE | IB_ACCESS_LOCAL_WRITE :
IB_ACCESS_REMOTE_READ);
@@ -1709,9 +1713,7 @@ rpcrdma_deregister_external(struct rpcrdma_mr_seg *seg,
#if RPCRDMA_PERSISTENT_REGISTRATION
case RPCRDMA_ALLPHYSICAL:
- BUG_ON(nsegs != 1);
rpcrdma_unmap_one(ia, seg);
- rc = 0;
break;
#endif