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Date: Wed, 11 Jun 2008 01:57:30 -0400 From: "Miles Lane" <miles.lane@...il.com> To: "Larry Finger" <Larry.Finger@...inger.net> Cc: "Michael Buesch" <mb@...sch.de>, "Vegard Nossum" <vegard.nossum@...il.com>, "Andrew Morton" <akpm@...ux-foundation.org>, "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>, linux-wireless <linux-wireless@...r.kernel.org>, "FUJITA Tomonori" <fujita.tomonori@....ntt.co.jp> Subject: Re: BUG: NULL pointer dereference at 00000000 -- IP: [<f8e783d5>] :b43:b43_dma_mapping_error+0x16/0x155 > The line that fails is > > if (unlikely(dma_mapping_error(ring->dev->dev->dma_dev, addr))) > > The value at 0x58(%eax) is zero, which corresponds to the "struct b43_wldev > *dev" line in struct b43_dmaring. In other words, ring->dev is NULL, which > causes the error. I'll leave it to FUJITA Tomonori to figure out why. Thanks all, I might have time in the morning to test one more patch, otherwise I will be back in about three weeks. Best wishes, Miles -- 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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