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Date: Fri, 6 Nov 2009 10:14:29 +0100 From: Jiri Slaby <jirislaby@...il.com> To: davem@...emloft.net Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Jiri Slaby <jirislaby@...il.com> Subject: [PATCH 1/1] NET: cassini, fix lock imbalance Stanse found that one error path in cas_open omits to unlock pm_mutex. Fix that. Signed-off-by: Jiri Slaby <jirislaby@...il.com> --- drivers/net/cassini.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 05916aa..f857afe 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -4342,11 +4342,11 @@ static int cas_open(struct net_device *dev) cas_unlock_all_restore(cp, flags); } + err = -ENOMEM; if (cas_tx_tiny_alloc(cp) < 0) - return -ENOMEM; + goto err_unlock; /* alloc rx descriptors */ - err = -ENOMEM; if (cas_alloc_rxds(cp) < 0) goto err_tx_tiny; @@ -4386,6 +4386,7 @@ err_spare: cas_free_rxds(cp); err_tx_tiny: cas_tx_tiny_free(cp); +err_unlock: mutex_unlock(&cp->pm_mutex); return err; } -- 1.6.4.2 -- 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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