Attachment 234011 Details for Bug 264057 – a possible patch

[patch] a possible patch

0001-mad-Fix-a-possible-memory-leak.patch (text/plain), 1022 bytes, created by ruc_gongyuanjun on 2022-05-18 03:28:36 UTC

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Creator: ruc_gongyuanjun

Created: 2022-05-18 03:28:36 UTC

Size: 1022 bytes

patch

obsolete

>From 5bb7c3f665431286754edf18e563983df7dff63a Mon Sep 17 00:00:00 2001
>From: Yuanjun Gong <ruc_gongyuanjun@163.com>
>Date: Wed, 18 May 2022 11:21:21 +0800
>Subject: [PATCH 1/1] mad: Fix a possible memory leak
>
>If ib_dma_mapping_error, it will jump out of the loop, leaving
>mad_priv allocated by alloc_mad_private not freed. It will cause
>a memory leak. Fix it with kfree.
>
>Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
>---
> sys/ofed/drivers/infiniband/core/ib_mad.c | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/sys/ofed/drivers/infiniband/core/ib_mad.c b/sys/ofed/drivers/infiniband/core/ib_mad.c
>index 5f9c353052e8..9de97d749f6d 100644
>--- a/sys/ofed/drivers/infiniband/core/ib_mad.c
>+++ b/sys/ofed/drivers/infiniband/core/ib_mad.c
>@@ -2874,6 +2874,7 @@ static int ib_mad_post_receive_mads(struct ib_mad_qp_info *qp_info,
> 						 DMA_FROM_DEVICE);
> 		if (unlikely(ib_dma_mapping_error(qp_info->port_priv->device,
> 						  sg_list.addr))) {
>+			kfree(mad_priv);
> 			ret = -ENOMEM;
> 			break;
> 		}
>-- 
>2.17.1
>

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Attachments on bug 264057: 234011