[libvirt] [PATCH 14/20] Remove PATH_MAX sized stack allocation from virFileOpenTtyAt
Daniel P. Berrange
berrange at redhat.com
Mon Apr 4 10:38:05 UTC 2011
On Sun, Apr 03, 2011 at 11:21:27AM +0200, Matthias Bolte wrote:
> ---
> src/util/util.c | 9 ++++-----
> 1 files changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/src/util/util.c b/src/util/util.c
> index 31feecc..c0391ad 100644
> --- a/src/util/util.c
> +++ b/src/util/util.c
> @@ -1901,14 +1901,13 @@ int virFileOpenTtyAt(const char *ptmx,
> }
>
> if (ttyName) {
> - char tempTtyName[PATH_MAX];
> - if (ptsname_r(*ttymaster, tempTtyName, sizeof(tempTtyName)) < 0)
> - goto cleanup;
> -
> - if ((*ttyName = strdup(tempTtyName)) == NULL) {
> + if (VIR_ALLOC_N(*ttyName, PATH_MAX) < 0) {
> errno = ENOMEM;
> goto cleanup;
> }
> +
> + if (ptsname_r(*ttymaster, *ttyName, PATH_MAX) < 0)
> + goto cleanup;
> }
ACK
Daniel
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