Re: [PATCH 1/3] mmc: debugfs: fix memory leak for mmc_ext_csd_open

From: Shawn Lin
Date: Mon Sep 21 2015 - 21:37:28 EST


On 2015/9/22 9:29, trick wong wrote:
In the correct path,this buf will used later.why freed?


right.
sorry for this noise, withdraw this patch[1/3].

2015-09-22 9:18 GMT+08:00 Shawn Lin <shawn.lin@xxxxxxxxxxxxxx
<mailto:shawn.lin@xxxxxxxxxxxxxx>>:

buf allocated isn't been freed before return, so we fix it.

Fixes: 736bb6bb01a ("mmc: Add Extended CSD register to debugfs")
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx
<mailto:shawn.lin@xxxxxxxxxxxxxx>>
---

drivers/mmc/core/debugfs.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index e914210..b2ab936 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -304,6 +304,7 @@ static int mmc_ext_csd_open(struct inode *inode,
struct file *filp)

filp->private_data = buf;
kfree(ext_csd);
+ kfree(buf);
return 0;

out_free:
--
2.3.7


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--
Best Regards
Shawn Lin

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