| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From 5dc04d9dc9ac5d6eca6f1602a7b1c3b5a61625f4 Mon Sep 17 00:00:00 2001 |
| 2 | From: Florinel Iordache <florinel.iordache@nxp.com> |
| 3 | Date: Mon, 4 Feb 2019 09:45:54 +0200 |
| 4 | Subject: [PATCH] sdk_fman: avoid array overflow error in fman port init |
| 5 | |
| 6 | Perform a verification of external buffer pools used which can cause array |
| 7 | overflow error in port init function SetExtBufferPools() if it was set to |
| 8 | value 1 via fman port API |
| 9 | |
| 10 | Signed-off-by: Florinel Iordache <florinel.iordache@nxp.com> |
| 11 | --- |
| 12 | drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port.c | 3 ++- |
| 13 | 1 file changed, 2 insertions(+), 1 deletion(-) |
| 14 | |
| 15 | --- a/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port.c |
| 16 | +++ b/drivers/net/ethernet/freescale/sdk_fman/Peripherals/FM/Port/fm_port.c |
| 17 | @@ -581,7 +581,8 @@ static t_Error SetExtBufferPools(t_FmPor |
| 18 | p_FmPort->rxPoolsParams.numOfPools = p_ExtBufPools->numOfPoolsUsed; |
| 19 | p_FmPort->rxPoolsParams.largestBufSize = |
| 20 | sizesArray[orderedArray[p_ExtBufPools->numOfPoolsUsed - 1]]; |
| 21 | - p_FmPort->rxPoolsParams.secondLargestBufSize = |
| 22 | + if (p_ExtBufPools->numOfPoolsUsed > 1) |
| 23 | + p_FmPort->rxPoolsParams.secondLargestBufSize = |
| 24 | sizesArray[orderedArray[p_ExtBufPools->numOfPoolsUsed - 2]]; |
| 25 | |
| 26 | /* FMBM_RMPD reg. - pool depletion */ |