107 lines
4.7 KiB
Diff
107 lines
4.7 KiB
Diff
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Thu, 22 Apr 2010 19:52:17 +0200 (CEST)
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From: Christian Lamparter <chunkeey@googlemail.com>
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To: linux-wireless@vger.kernel.org
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Subject: [PATCH 1/2] p54pci: fix bugs in p54p_check_tx_ring
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Date: Thu, 22 Apr 2010 19:52:16 +0200
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Cc: linville@tuxdriver.com, hdegoede@redhat.com
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Content-Length: 1159
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From: Hans de Goede <hdegoede@redhat.com>
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Hans de Goede identified a bug in p54p_check_tx_ring:
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there are two ring indices. 1 => tx data and 3 => tx management.
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But the old code had a constant "1" and this resulted in spurious
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dma unmapping failures.
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Cc: stable@kernel.org
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=583623
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Bug-Identified-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
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---
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diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
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index 679da7e..cffe2f2 100644
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--- a/drivers/net/wireless/p54/p54pci.c
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+++ b/drivers/net/wireless/p54/p54pci.c
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@@ -246,7 +246,7 @@ static void p54p_check_tx_ring(struct ieee80211_hw *dev, u32 *index,
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u32 idx, i;
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i = (*index) % ring_limit;
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- (*index) = idx = le32_to_cpu(ring_control->device_idx[1]);
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+ (*index) = idx = le32_to_cpu(ring_control->device_idx[ring_index]);
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idx %= ring_limit;
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while (i != idx) {
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--
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