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27 lines
1.2 KiB
Diff
27 lines
1.2 KiB
Diff
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From 5dc04d9dc9ac5d6eca6f1602a7b1c3b5a61625f4 Mon Sep 17 00:00:00 2001
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From: Florinel Iordache <florinel.iordache@nxp.com>
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Date: Mon, 4 Feb 2019 09:45:54 +0200
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Subject: [PATCH] sdk_fman: avoid array overflow error in fman port init
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Perform a verification of external buffer pools used which can cause array
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overflow error in port init function SetExtBufferPools() if it was set to
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value 1 via fman port API
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Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com>
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---
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drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port.c
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+++ b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port.c
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@@ -581,7 +581,8 @@ static t_Error SetExtBufferPools(t_FmPor
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p_FmPort->rxPoolsParams.numOfPools = p_ExtBufPools->numOfPoolsUsed;
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p_FmPort->rxPoolsParams.largestBufSize =
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sizesArray[orderedArray[p_ExtBufPools->numOfPoolsUsed - 1]];
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- p_FmPort->rxPoolsParams.secondLargestBufSize =
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+ if (p_ExtBufPools->numOfPoolsUsed > 1)
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+ p_FmPort->rxPoolsParams.secondLargestBufSize =
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sizesArray[orderedArray[p_ExtBufPools->numOfPoolsUsed - 2]];
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/* FMBM_RMPD reg. - pool depletion */
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