diff options
| author | zhanghailiang <zhang.zhanghailiang@huawei.com> | 2015-09-14 18:40:10 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-10-22 14:34:50 +0300 |
| commit | e3fce97cf500c61f23df8e0245e08625fc375295 (patch) | |
| tree | 8d7c73804c14ff01d21a12730e7a27bb8b286096 /hw | |
| parent | f8d82b8eb81d3ea29325b4046fafa8ed41e32449 (diff) | |
piix: fix resource leak reported by Coverity
config_fd should be closed before return, or there will
be a resource leak error.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/pci-host/piix.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index 1fb71c8081..7b2fbf9598 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -764,6 +764,7 @@ static int host_pci_config_read(int pos, int len, uint32_t val) /* Access real host bridge. */ int rc = snprintf(path, size, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/%s", 0, 0, 0, 0, "config"); + int ret = 0; if (rc >= size || rc < 0) { return -ENODEV; @@ -775,16 +776,18 @@ static int host_pci_config_read(int pos, int len, uint32_t val) } if (lseek(config_fd, pos, SEEK_SET) != pos) { - return -errno; + ret = -errno; + goto out; } do { rc = read(config_fd, (uint8_t *)&val, len); } while (rc < 0 && (errno == EINTR || errno == EAGAIN)); if (rc != len) { - return -errno; + ret = -errno; } - - return 0; +out: + close(config_fd); + return ret; } static int igd_pt_i440fx_initfn(struct PCIDevice *pci_dev) |