[libvirt] [PATCH] don't leak a file descriptor on failed pciGetDevice call

This loop would mistakenly return early (skipping the closedir) upon pciGetDevice failure. From: Jim Meyering <meyering(a)redhat.com&gt; Date: Tue, 3 Mar 2009 11:11:07 +0100 Subject: [PATCH] don't leak a file descriptor on failed pciGetDevice call * src/pci.c (pciIterDevices): Always close dir handle. --- src/pci.c | 14 +++++++++----- 1 files changed, 9 insertions(+), 5 deletions(-) diff --git a/src/pci.c b/src/pci.c index 2343be3..501c6aa 100644 --- a/src/pci.c +++ b/src/pci.c @@ -233,6 +233,7 @@ pciIterDevices(virConnectPtr conn, { DIR *dir; struct dirent *entry; + int ret = 0; *matched = NULL; @@ -252,14 +253,17 @@ pciIterDevices(virConnectPtr conn, if (entry->d_name[0] == '.') continue; - if (sscanf(entry->d_name, "%x:%x:%x.%x", &domain, &bus, &slot, &function) < 4) { + if (sscanf(entry->d_name, "%x:%x:%x.%x", + &domain, &bus, &slot, &function) < 4) { VIR_WARN("Unusual entry in " PCI_SYSFS "devices: %s", entry->d_name); continue; } try = pciGetDevice(conn, domain, bus, slot, function); - if (!try) - return -1; + if (!try) { + ret = -1; + break; + } if (predicate(try, dev)) { VIR_DEBUG("%s %s: iter matched on %s", dev->id, dev->name, try->name); @@ -269,7 +273,7 @@ pciIterDevices(virConnectPtr conn, pciFreeDevice(conn, try); } closedir(dir); - return 0; + return ret; } static uint8_t @@ -823,7 +827,7 @@ void pciFreeDevice(virConnectPtr conn ATTRIBUTE_UNUSED, pciDevice *dev) { VIR_DEBUG("%s %s: freeing", dev->id, dev->name); - if (dev->fd) + if (dev->fd >= 0) close(dev->fd); VIR_FREE(dev); } -- 1.6.2.rc1.285.gc5f54