From: Yang Yingliang <yangyingliang@huawei.com>
Date: Sat, 29 May 2021 08:20:57 +0000 (+0800)
Subject: cifsd: fix memleak in ksmbd_vfs_stream_read()
X-Git-Tag: v5.15-rc1~11^2~5^2~16^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=673b9ba7a1404fa5beda936b8ad509b70a516b52;p=users%2Fdwmw2%2Flinux.git

cifsd: fix memleak in ksmbd_vfs_stream_read()

Before ksmbd_vfs_stream_read() return, memory allocate in
ksmbd_vfs_getcasexattr() need be freed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
---

diff --git a/fs/cifsd/vfs.c b/fs/cifsd/vfs.c
index e70b67e41cd47..85872416bf9b5 100644
--- a/fs/cifsd/vfs.c
+++ b/fs/cifsd/vfs.c
@@ -290,6 +290,7 @@ static int ksmbd_vfs_stream_read(struct ksmbd_file *fp, char *buf, loff_t *pos,
 	}
 
 	memcpy(buf, &stream_buf[*pos], count);
+	kvfree(stream_buf);
 	return v_len > count ? count : v_len;
 }