4.19-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 6e17f58c486d9554341f70aa5b63b8fbed07b3fa ]
The clean up is handled by the caller, rpcrdma_buffer_create(), so this call to rpcrdma_sendctxs_destroy() leads to a double free.
Fixes: ae72950abf99 ("xprtrdma: Add data structure to manage RDMA Send arguments") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Chuck Lever chuck.lever@oracle.com Signed-off-by: Anna Schumaker Anna.Schumaker@Netapp.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/sunrpc/xprtrdma/verbs.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 956a5ea47b58e..3d6bf790cf1fb 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -872,7 +872,7 @@ static int rpcrdma_sendctxs_create(struct rpcrdma_xprt *r_xprt) for (i = 0; i <= buf->rb_sc_last; i++) { sc = rpcrdma_sendctx_create(&r_xprt->rx_ia); if (!sc) - goto out_destroy; + return -ENOMEM;
sc->sc_xprt = r_xprt; buf->rb_sc_ctxs[i] = sc; @@ -880,10 +880,6 @@ static int rpcrdma_sendctxs_create(struct rpcrdma_xprt *r_xprt) buf->rb_flags = 0;
return 0; - -out_destroy: - rpcrdma_sendctxs_destroy(buf); - return -ENOMEM; }
/* The sendctx queue is not guaranteed to have a size that is a