qga/commands-posix: Log all net stats failures

guest_get_network_stats can silently fail in a couple of ways. Add
debug messages to these cases, so we're never completely silent on
failure.

Signed-off-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220426195526.7699-5-adeason@sinenomine.net>
This commit is contained in:
Andrew Deason 2022-04-26 14:55:25 -05:00 committed by Marc-André Lureau
parent 70335c4644
commit a539dc8a2c

View file

@ -2775,6 +2775,8 @@ static int guest_get_network_stats(const char *name,
size_t n = 0;
fp = fopen(devinfo, "r");
if (!fp) {
g_debug("failed to open network stats %s: %s", devinfo,
g_strerror(errno));
return -1;
}
name_len = strlen(name);
@ -2823,7 +2825,9 @@ static int guest_get_network_stats(const char *name,
fclose(fp);
g_free(line);
g_debug("/proc/net/dev: Interface '%s' not found", name);
#endif /* CONFIG_LINUX */
#else /* !CONFIG_LINUX */
g_debug("Network stats reporting available only for Linux");
#endif /* !CONFIG_LINUX */
return -1;
}