[lvm-devel] master - dmeventd: check for malloc return
Zdenek Kabelac
zkabelac at fedoraproject.org
Thu Oct 22 21:33:26 UTC 2015
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=ab6d16a8a5214ace81b9af346b9c065ec62fb04b
Commit: ab6d16a8a5214ace81b9af346b9c065ec62fb04b
Parent: 09a62cca0ce259b207e85683dae47ac145590825
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Mon Oct 19 10:59:09 2015 +0200
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Thu Oct 22 22:28:37 2015 +0200
dmeventd: check for malloc return
---
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 56c504a..80e6b14 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;
}
}
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