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| author | Zdenek Kabelac <zkabelac@redhat.com> | 2015-10-19 10:59:09 +0200 |
|---|---|---|
| committer | Zdenek Kabelac <zkabelac@redhat.com> | 2015-10-22 22:28:37 +0200 |
| commit | ab6d16a8a5214ace81b9af346b9c065ec62fb04b (patch) | |
| tree | 091a2b293809d240d4898bbb47dd85513f2bf815 | |
| parent | 09a62cca0ce259b207e85683dae47ac145590825 (diff) | |
| download | lvm2-ab6d16a8a5214ace81b9af346b9c065ec62fb04b.tar.gz | |
dmeventd: check for malloc return
| -rw-r--r-- | daemons/dmeventd/dmeventd.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/daemons/dmeventd/dmeventd.c b/daemons/dmeventd/dmeventd.c index 56c504abe..80e6b14fb 100644 --- a/daemons/dmeventd/dmeventd.c +++ b/daemons/dmeventd/dmeventd.c @@ -1394,10 +1394,13 @@ static int _client_read(struct dm_event_fifos *fifos, bytes += ret > 0 ? ret : 0; if (header && (bytes == 2 * sizeof(uint32_t))) { msg->cmd = ntohl(header[0]); - msg->size = ntohl(header[1]); - buf = msg->data = dm_malloc(msg->size); - size = msg->size; + size = msg->size = ntohl(header[1]); bytes = 0; + if (!size) + break; /* No data -> error */ + buf = msg->data = dm_malloc(msg->size); + if (!buf) + break; /* No mem -> error */ header = 0; } } |