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| author | Li Qiang <liqiang6-s@360.cn> | 2016-10-17 14:13:58 +0200 |
|---|---|---|
| committer | Greg Kurz <groug@kaod.org> | 2016-10-17 14:13:58 +0200 |
| commit | e95c9a493a5a8d6f969e86c9f19f80ffe6587e19 (patch) | |
| tree | 7ad3c15b013f1c2e513673c27505a95b0dbd3163 /hw/9pfs/9p.c | |
| parent | ba42ebb863ab7d40adc79298422ed9596df8f73a (diff) | |
| download | qemu-e95c9a493a5a8d6f969e86c9f19f80ffe6587e19.zip | |
9pfs: fix potential host memory leak in v9fs_read
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 <liqiang6-s@360.cn>
Signed-off-by: Greg Kurz <groug@kaod.org>
Diffstat (limited to 'hw/9pfs/9p.c')
| -rw-r--r-- | hw/9pfs/9p.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 39a7e1d52d..ff94a6272c 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -1826,14 +1826,15 @@ static void v9fs_read(void *opaque) if (len < 0) { /* IO error return the error */ err = len; - goto out; + goto out_free_iovec; } } while (count < max_count && len > 0); err = pdu_marshal(pdu, offset, "d", count); if (err < 0) { - goto out; + goto out_free_iovec; } err += offset + count; +out_free_iovec: qemu_iovec_destroy(&qiov); qemu_iovec_destroy(&qiov_full); } else if (fidp->fid_type == P9_FID_XATTR) { |