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| author | Navid Emamdoost <navid.emamdoost@gmail.com> | 2019-09-11 10:09:02 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-12 11:58:44 +0100 |
| commit | a21b7f0cff1906a93a0130b74713b15a0b36481d (patch) | |
| tree | 4a1f5603ba981ff7d39988495841a8a2b1be91be /net/qrtr | |
| parent | 10cc514f451a0f239aa34f91bc9dc954a9397840 (diff) | |
| download | linux-a21b7f0cff1906a93a0130b74713b15a0b36481d.tar.gz linux-a21b7f0cff1906a93a0130b74713b15a0b36481d.tar.bz2 linux-a21b7f0cff1906a93a0130b74713b15a0b36481d.zip | |
net: qrtr: fix memort leak in qrtr_tun_write_iter
In qrtr_tun_write_iter the allocated kbuf should be release in case of
error or success return.
v2 Update: Thanks to David Miller for pointing out the release on success
path as well.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/qrtr')
| -rw-r--r-- | net/qrtr/tun.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/qrtr/tun.c b/net/qrtr/tun.c index ccff1e544c21..e35869e81766 100644 --- a/net/qrtr/tun.c +++ b/net/qrtr/tun.c @@ -84,11 +84,14 @@ static ssize_t qrtr_tun_write_iter(struct kiocb *iocb, struct iov_iter *from) if (!kbuf) return -ENOMEM; - if (!copy_from_iter_full(kbuf, len, from)) + if (!copy_from_iter_full(kbuf, len, from)) { + kfree(kbuf); return -EFAULT; + } ret = qrtr_endpoint_post(&tun->ep, kbuf, len); + kfree(kbuf); return ret < 0 ? ret : len; } |