[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] 9pfs: fix potential host memory leak in v9fs_read
From: |
Li Qiang |
Subject: |
[Qemu-devel] [PATCH] 9pfs: fix potential host memory leak in v9fs_read |
Date: |
Mon, 26 Sep 2016 21:42:26 -0700 |
From: Li Qiang <address@hidden>
In 9pfs read dispatch function, it doesn't free two QEMUIOVector
object thus causing potential memory leak. This patch avoid this.
Signed-off-by: Li Qiang <address@hidden>
---
hw/9pfs/9p.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index d960a2e..b1ff8e7 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -1830,12 +1830,16 @@ static void v9fs_read(void *opaque)
} while (len == -EINTR && !pdu->cancelled);
if (len < 0) {
/* IO error return the error */
+ qemu_iovec_destroy(&qiov);
+ qemu_iovec_destroy(&qiov_full);
err = len;
goto out;
}
} while (count < max_count && len > 0);
err = pdu_marshal(pdu, offset, "d", count);
if (err < 0) {
+ qemu_iovec_destroy(&qiov);
+ qemu_iovec_destroy(&qiov_full);
goto out;
}
err += offset + count;
--
1.8.3.1
- [Qemu-devel] [PATCH] 9pfs: fix potential host memory leak in v9fs_read,
Li Qiang <=