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Date: Fri, 4 Sep 2015 12:43:39 -0400 From: Sasha Levin <sasha.levin@...cle.com> To: chien.yen@...cle.com, davem@...emloft.net Cc: rds-devel@....oracle.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Sasha Levin <sasha.levin@...cle.com> Subject: [PATCH] RDS: verify the underlying transport exists before creating a connection There was no verification that an underlying transport exists when creating a connection, this would cause dereferencing a NULL ptr. Signed-off-by: Sasha Levin <sasha.levin@...cle.com> --- net/rds/connection.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/rds/connection.c b/net/rds/connection.c index a50e652..0218d81 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -189,6 +189,12 @@ new_conn: } } + if (trans == NULL) { + kmem_cache_free(rds_conn_slab, conn); + conn = ERR_PTR(-ENODEV); + goto out; + } + conn->c_trans = trans; ret = trans->conn_alloc(conn, gfp); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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