linux-kernel - [PATCH] staging: android: ion: Initialize dma

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Message-ID: <alpine.DEB.2.02.1802092203150.2846@lmark-linux.qualcomm.com>
Date:   Fri, 9 Feb 2018 22:16:56 -0800 (PST)
From:   Liam Mark <lmark@...eaurora.org>
To:     Laura Abbott <labbott@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>
cc:     linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        linaro-mm-sig@...ts.linaro.org
Subject: [PATCH] staging: android: ion: Initialize dma_address of new sg
 list

Fix the dup_sg_table function to initialize the dma_address of the new
sg list entries instead of the source dma_address entries.

Fixes: 17fd283f3870 ("staging: android: ion: Duplicate sg_table")
Signed-off-by: Liam Mark <lmark@...eaurora.org>
---
 drivers/staging/android/ion/ion.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index f480885e346b..3ace3a0d9210 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -197,7 +197,7 @@ static struct sg_table *dup_sg_table(struct sg_table *table)
 	new_sg = new_table->sgl;
 	for_each_sg(table->sgl, sg, table->nents, i) {
 		memcpy(new_sg, sg, sizeof(*sg));
-		sg->dma_address = 0;
+		new_sg->dma_address = 0;
 		new_sg = sg_next(new_sg);
 	}
 
-- 
1.8.5.2


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