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RDMA/cma: Fix rdma_resolve_route() memory leak
[ Upstream commit 74f160ead7
]
Fix a memory leak when "mda_resolve_route() is called more than once on
the same "rdma_cm_id".
This is possible if cma_query_handler() triggers the
RDMA_CM_EVENT_ROUTE_ERROR flow which puts the state machine back and
allows rdma_resolve_route() to be called again.
Link: https://lore.kernel.org/r/f6662b7b-bdb7-2706-1e12-47c61d3474b6@oracle.com
Signed-off-by: Gerd Rausch <gerd.rausch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
a847a5e256
commit
4893c938f2
1 changed files with 2 additions and 1 deletions
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@ -2558,7 +2558,8 @@ static int cma_resolve_ib_route(struct rdma_id_private *id_priv, int timeout_ms)
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cma_init_resolve_route_work(work, id_priv);
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route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL);
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if (!route->path_rec)
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route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL);
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if (!route->path_rec) {
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ret = -ENOMEM;
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goto err1;
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