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Message-Id: <1399590437-5548-1-git-send-email-emilgoode@gmail.com> Date: Fri, 9 May 2014 01:07:17 +0200 From: Emil Goode <emilgoode@...il.com> To: "David S. Miller" <davem@...emloft.net>, Jingoo Han <jg1.han@...sung.com>, Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Ben Hutchings <ben@...adent.org.uk>, Arend van Spriel <arend@...adcom.com>, Joe Perches <joe@...ches.com> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, Emil Goode <emilgoode@...il.com> Subject: [PATCH] net: cassini: use nested lock annotation In the cas_lock_tx function we acquire multiple locks in a loop and need to use nested lock annotation to prevent lockdep warnings. Reported-by: Meelis Roos <mroos@...ux.ee> Signed-off-by: Emil Goode <emilgoode@...il.com> --- drivers/net/ethernet/sun/cassini.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index df8d383..b9ac20f 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -246,7 +246,7 @@ static inline void cas_lock_tx(struct cas *cp) int i; for (i = 0; i < N_TX_RINGS; i++) - spin_lock(&cp->tx_lock[i]); + spin_lock_nested(&cp->tx_lock[i], i); } static inline void cas_lock_all(struct cas *cp) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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