[libvirt] [PATCH 5/9] phyp: memcpy/memmove/memset can't fail, so don't check for error
Daniel Veillard
veillard at redhat.com
Fri Nov 6 10:42:39 UTC 2009
On Fri, Nov 06, 2009 at 04:28:03AM +0100, Matthias Bolte wrote:
> Also reset UUID to all 0 instead of all 48 (== '0') in phypUUIDTable_RemLpar()
> ---
> src/phyp/phyp_driver.c | 20 ++++----------------
> 1 files changed, 4 insertions(+), 16 deletions(-)
>
> diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
> index 8d54ae7..ab5af17 100644
> --- a/src/phyp/phyp_driver.c
> +++ b/src/phyp/phyp_driver.c
> @@ -237,7 +237,7 @@ openSSHSession(virConnectPtr conn, virConnectAuthPtr auth,
> struct addrinfo hints;
> int ret;
>
> - memset(&hints, '\0', sizeof(hints));
> + memset(&hints, 0, sizeof(hints));
> hints.ai_flags = AI_ADDRCONFIG | AI_NUMERICSERV;
> hints.ai_socktype = SOCK_STREAM;
> hints.ai_protocol = 0;
> @@ -1214,10 +1214,6 @@ phypDomainDumpXML(virDomainPtr dom, int flags)
> virDomainDefPtr def = NULL;
> char *ret = NULL;
> char *managed_system = phyp_driver->managed_system;
> - unsigned char *lpar_uuid = NULL;
> -
> - if (VIR_ALLOC_N(lpar_uuid, VIR_UUID_BUFLEN) < 0)
> - virReportOOMError(dom->conn);
>
> if (VIR_ALLOC(def) < 0)
> virReportOOMError(dom->conn);
> @@ -1233,12 +1229,7 @@ phypDomainDumpXML(virDomainPtr dom, int flags)
> goto err;
> }
>
> - if (phypGetLparUUID(lpar_uuid, dom->id, dom->conn) == -1) {
> - VIR_ERROR("%s", "Unable to generate random uuid.");
> - goto err;
> - }
> -
> - if (!memcpy(def->uuid, lpar_uuid, VIR_UUID_BUFLEN)) {
> + if (phypGetLparUUID(def->uuid, dom->id, dom->conn) == -1) {
> VIR_ERROR("%s", "Unable to generate random uuid.");
> goto err;
> }
> @@ -1695,8 +1686,7 @@ phypUUIDTable_RemLpar(virConnectPtr conn, int id)
> for (i = 0; i <= uuid_table->nlpars; i++) {
> if (uuid_table->lpars[i]->id == id) {
> uuid_table->lpars[i]->id = -1;
> - if (!memset(uuid_table->lpars[i]->uuid, '0', VIR_UUID_BUFLEN))
> - goto exit;
> + memset(uuid_table->lpars[i]->uuid, 0, VIR_UUID_BUFLEN);
> }
> }
>
> @@ -1706,7 +1696,6 @@ phypUUIDTable_RemLpar(virConnectPtr conn, int id)
> if (phypUUIDTable_Push(conn) == -1)
> goto err;
>
> - exit:
> return 0;
>
> err:
> @@ -1734,8 +1723,7 @@ phypUUIDTable_AddLpar(virConnectPtr conn, unsigned char *uuid, int id)
> }
>
> uuid_table->lpars[i]->id = id;
> - if (memmove(uuid_table->lpars[i]->uuid, uuid, VIR_UUID_BUFLEN) == NULL)
> - goto err;
> + memmove(uuid_table->lpars[i]->uuid, uuid, VIR_UUID_BUFLEN);
>
> if (phypUUIDTable_WriteFile(conn) == -1)
> goto err;
Good cleanup, and good catch !!!
ACK,
Daniel
--
Daniel Veillard | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
daniel at veillard.com | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library http://libvirt.org/
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