[ovs-dev] [PATCH] lib Windows: Use xmalloc instead of malloc

[Sairam Venugopal]

Acked-by: Sairam Venugopal <vsairam at vmware.com>





On 5/19/17, 2:38 PM, "ovs-dev-bounces at openvswitch.org on behalf of Shashank Ram" <ovs-dev-bounces at openvswitch.org on behalf of rams at vmware.com> wrote:

>xmalloc checks if the size is valid before allocating
>memory.
>
>Signed-off-by: Shashank Ram <rams at vmware.com>
>---
> lib/netdev-windows.c | 4 ++--
> lib/wmi.c            | 4 ++--
> 2 files changed, 4 insertions(+), 4 deletions(-)
>
>diff --git a/lib/netdev-windows.c b/lib/netdev-windows.c
>index 375cb32..b4b39e9 100644
>--- a/lib/netdev-windows.c
>+++ b/lib/netdev-windows.c
>@@ -394,7 +394,7 @@ netdev_windows_arp_lookup(const struct netdev *netdev,
>         return ENXIO;
>     }
>
>-    arp_table = (MIB_IPNETTABLE *) malloc(buffer_length);
>+    arp_table = (MIB_IPNETTABLE *) xmalloc(buffer_length);
>
>     if (arp_table == NULL) {
>         VLOG_ERR("Could not allocate memory for all the interfaces");
>@@ -443,7 +443,7 @@ netdev_windows_get_next_hop(const struct in_addr *host,
>         return ENXIO;
>     }
>
>-    all_addr = (IP_ADAPTER_ADDRESSES *) malloc(buffer_length);
>+    all_addr = (IP_ADAPTER_ADDRESSES *) xmalloc(buffer_length);
>
>     if (all_addr == NULL) {
>         VLOG_ERR("Could not allocate memory for all the interfaces");
>diff --git a/lib/wmi.c b/lib/wmi.c
>index dba8022..b560a7e 100644
>--- a/lib/wmi.c
>+++ b/lib/wmi.c
>@@ -406,7 +406,7 @@ delete_wmi_port(char *name)
>     wchar_t internal_port_query[WMI_QUERY_COUNT] = L"SELECT * from "
>         L"Msvm_EthernetPortAllocationSettingData  WHERE ElementName = \"" ;
>
>-    wide_name = malloc((strlen(name) + 1) * sizeof(wchar_t));
>+    wide_name = xmalloc((strlen(name) + 1) * sizeof(wchar_t));
>     if (wide_name == NULL) {
>         VLOG_WARN("Could not allocate memory for wide string");
>         retval = false;
>@@ -693,7 +693,7 @@ create_wmi_port(char *name) {
>     wchar_t internal_port_query[WMI_QUERY_COUNT] = L"SELECT * FROM "
>     L"Msvm_InternalEthernetPort WHERE ElementName = \"";
>
>-    wide_name = malloc((strlen(name) + 1) * sizeof(wchar_t));
>+    wide_name = xmalloc((strlen(name) + 1) * sizeof(wchar_t));
>     if (wide_name == NULL) {
>         VLOG_WARN("Could not allocate memory for wide string");
>         retval = false;
>--
>2.9.3.windows.2
>
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