[libvirt] [PATCH 03/12] build: silence coverity false positive

Matthias Bolte matthias.bolte at googlemail.com
Tue Jun 7 13:31:16 UTC 2011


2011/6/6 Eric Blake <eblake at redhat.com>:
> Similar in nature to commit fd21ecfd, which shut up valgrind.
>
> sigaction is apparently a nasty interface for code analyzers.
>
> * src/util/util.c (virExecWithHook): Initialize entire var, since
> coverity gripes about the (unused and non-standard) sa_restorer.
> ---
>  src/util/util.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/src/util/util.c b/src/util/util.c
> index e221abe..5672193 100644
> --- a/src/util/util.c
> +++ b/src/util/util.c
> @@ -690,8 +690,8 @@ virExecWithHook(const char *const*argv,
>          * so we need to temporarily block that again
>          */
>         struct sigaction waxon, waxoff;
> +        memset(&waxoff, 0, sizeof(waxoff));
>         waxoff.sa_handler = SIG_IGN;
> -        waxoff.sa_flags = 0;
>         sigemptyset(&waxoff.sa_mask);
>         memset(&waxon, 0, sizeof(waxon));
>         if (sigaction(SIGPIPE, &waxoff, &waxon) < 0) {
> --
> 1.7.4.4

ACK.

Matthias




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