Commit 96ca4c50 authored Jul 23, 2020 by Alexander Lobakin Committed by David S. Miller Jul 22, 2020

qed: prevent possible double-frees of the chains



Zero-initialize chain on qed_chain_free(), so it couldn't be freed
twice and provoke undefined behaviour.

Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent a08c9b2c

drivers/net/ethernet/qlogic/qed/qed_chain.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -92,8 +92,10 @@ void qed_chain_free(struct qed_dev cdev, struct qed_chain chain)
		qed_chain_free_pbl(cdev, chain);
		break;
		default:
		break;
		return;
		}

		qed_chain_init_mem(chain, NULL, 0);
		}

		static int

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