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platform: simplify event_handler_recvmsgs() by using cleanup attribute

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This commit is contained in:
Thomas Haller
2016-02-12 15:46:20 +01:00
parent c66ee23f73
commit 04805f659f
1 changed files with 5 additions and 15 deletions
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20
src/platform/nm-linux-platform.c
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@@ -5557,7 +5557,6 @@ event_handler_recvmsgs (NMPlatform *platform, gboolean handle_events)
NMLinuxPlatformPrivate *priv = NM_LINUX_PLATFORM_GET_PRIVATE (platform);
struct nl_sock *sk = priv->nlh;
int n, err = 0, multipart = 0, interrupted = 0, nrecv = 0;
unsigned char *buf = NULL;
struct nlmsghdr *hdr;
WaitForNlResponseResult seq_result;
@@ -5567,10 +5566,12 @@ event_handler_recvmsgs (NMPlatform *platform, gboolean handle_events)
initialize the variable. Thomas Graf.
*/
struct sockaddr_nl nla = {0};
struct nl_msg *msg = NULL;
struct ucred *creds = NULL;
nm_auto_free struct ucred *creds = NULL;
nm_auto_free unsigned char *buf = NULL;
continue_reading:
g_clear_pointer (&buf, free);
g_clear_pointer (&creds, free);
errno = 0;
n = nl_recv (sk, &nla, &buf, &creds);
@@ -5600,9 +5601,9 @@ continue_reading:
hdr = (struct nlmsghdr *) buf;
while (nlmsg_ok (hdr, n)) {
nm_auto_nlmsg struct nl_msg *msg = NULL;
gboolean abort_parsing = FALSE;
nlmsg_free (msg);
msg = nlmsg_convert (hdr);
if (!msg) {
err = -NLE_NOMEM;
@@ -5704,13 +5705,6 @@ continue_reading:
goto out;
}
nlmsg_free (msg);
free (buf);
free (creds);
buf = NULL;
msg = NULL;
creds = NULL;
if (multipart) {
/* Multipart message not yet complete, continue reading */
goto continue_reading;
@@ -5724,10 +5718,6 @@ stop:
}
err = 0;
out:
nlmsg_free (msg);
free (buf);
free (creds);
if (interrupted)
err = -NLE_DUMP_INTR;