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rpc: don't destroy xdr before creating it in virNetMessageEncodeHeader 

On OOM, xdr_destroy got called even though it wasn't created yet.

Found by coverity:
Error: UNINIT (CWE-457):
    libvirt-0.10.2/src/rpc/virnetmessage.c:214: var_decl: Declaring
    variable "xdr" without initializer.
    libvirt-0.10.2/src/rpc/virnetmessage.c:219: cond_true: Condition
    "virReallocN(&msg->buffer, 1UL /* sizeof (*msg->buffer) */,
    msg->bufferLength) < 0", taking true branch
    libvirt-0.10.2/src/rpc/virnetmessage.c:221: goto: Jumping to label
    "cleanup"
    libvirt-0.10.2/src/rpc/virnetmessage.c:257: label: Reached label
    "cleanup"
    libvirt-0.10.2/src/rpc/virnetmessage.c:258: uninit_use: Using
    uninitialized value "xdr.x_ops".
This commit is contained in:
Ján Tomko 2012-11-29 11:50:09 +01:00 committed by Eric Blake
parent 8b235d4057
commit 6e1fc35546
1 changed files with 1 additions and 1 deletions
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2
src/rpc/virnetmessage.c
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@ -218,7 +218,7 @@ int virNetMessageEncodeHeader(virNetMessagePtr msg)
msg->bufferLength = VIR_NET_MESSAGE_MAX + VIR_NET_MESSAGE_LEN_MAX;
if (VIR_REALLOC_N(msg->buffer, msg->bufferLength) < 0) {
virReportOOMError();
goto cleanup;
return ret;
}
msg->bufferOffset = 0;