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lvmetad: do not deref NULL pointer

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Call log only for req.cft != NULL.
This commit is contained in:
Zdenek Kabelac 2012-08-23 11:01:00 +02:00
parent 3685701529
commit ed53b4b674
2 changed files with 4 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.98 Version 2.02.98
================================= =================================
Fix dereference of NULL in lvmetad error path logging.
Fix buffer memory leak in lvmetad logging. Fix buffer memory leak in lvmetad logging.
Use 'ignore' discards for thin metadata created with older versions. Use 'ignore' discards for thin metadata created with older versions.
Use proper condition to check for unsupported discards settings. Use proper condition to check for unsupported discards settings.

4
libdaemon/server/daemon-server.c
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@ -389,10 +389,12 @@ static void *client_thread(void *baton)
goto fail; goto fail;
req.cft = dm_config_from_string(req.buffer); req.cft = dm_config_from_string(req.buffer);
if (!req.cft) if (!req.cft)
fprintf(stderr, "error parsing request:\n %s\n", req.buffer); fprintf(stderr, "error parsing request:\n %s\n", req.buffer);
else
daemon_log_cft(b->s.log, DAEMON_LOG_WIRE, "<- ", req.cft->root);
daemon_log_cft(b->s.log, DAEMON_LOG_WIRE, "<- ", req.cft->root);
res = builtin_handler(b->s, b->client, req); res = builtin_handler(b->s, b->client, req);
if (res.error == EPROTO) /* Not a builtin, delegate to the custom handler. */ if (res.error == EPROTO) /* Not a builtin, delegate to the custom handler. */