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svcrdma: clean up error paths. 

These fixes resolved crashes due to resource leak BUG_ON checks. The
resource leaks were detected by introducing asynchronous transport errors.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Steve Wise 2009-04-29 14:14:00 -05:00 committed by J. Bruce Fields
parent d0687be7c7
commit 21515e46bc
2 changed files with 5 additions and 1 deletions
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3
net/sunrpc/xprtrdma/svc_rdma_sendto.c
View File

@ -183,6 +183,7 @@ static int fast_reg_xdr(struct svcxprt_rdma *xprt,
fatal_err:
printk("svcrdma: Error fast registering memory for xprt %p\n", xprt);
vec->frmr = NULL;
svc_rdma_put_frmr(xprt, frmr);
return -EIO;
}
@ -516,6 +517,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
"svcrdma: could not post a receive buffer, err=%d."
"Closing transport %p.\n", ret, rdma);
set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
svc_rdma_put_frmr(rdma, vec->frmr);
svc_rdma_put_context(ctxt, 0);
return -ENOTCONN;
}
@ -606,6 +608,7 @@ static int send_reply(struct svcxprt_rdma *rdma,
return 0;
err:
svc_rdma_unmap_dma(ctxt);
svc_rdma_put_frmr(rdma, vec->frmr);
svc_rdma_put_context(ctxt, 1);
return -EIO;

3
net/sunrpc/xprtrdma/svc_rdma_transport.c
View File

@ -520,8 +520,9 @@ int svc_rdma_post_recv(struct svcxprt_rdma *xprt)
svc_xprt_get(&xprt->sc_xprt);
ret = ib_post_recv(xprt->sc_qp, &recv_wr, &bad_recv_wr);
if (ret) {
svc_xprt_put(&xprt->sc_xprt);
svc_rdma_unmap_dma(ctxt);
svc_rdma_put_context(ctxt, 1);
svc_xprt_put(&xprt->sc_xprt);
}
return ret;