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author | Zdenek Kabelac <zkabelac@redhat.com> | 2011-03-29 21:05:39 +0000 |
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committer | Zdenek Kabelac <zkabelac@redhat.com> | 2011-03-29 21:05:39 +0000 |
commit | 7f0d89f8b4d70b5229f6ae93e81e985175e82e62 (patch) | |
tree | e46c16defa532429aca612df58a914004087fdbe /daemons/clvmd/refresh_clvmd.c | |
parent | aaf92617b0ad642ec99483141ad588982cf921d8 (diff) | |
download | lvm2-7f0d89f8b4d70b5229f6ae93e81e985175e82e62.tar.gz lvm2-7f0d89f8b4d70b5229f6ae93e81e985175e82e62.tar.xz lvm2-7f0d89f8b4d70b5229f6ae93e81e985175e82e62.zip |
Fix sending uninitilised bytes in cluster messages
Fix 2 more functions sending cluster messages to avoid passing uninitilised bytes
and compensate 1 extra byte attached to the message from the clvm_header.args[1]
member variable.
Diffstat (limited to 'daemons/clvmd/refresh_clvmd.c')
-rw-r--r-- | daemons/clvmd/refresh_clvmd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/daemons/clvmd/refresh_clvmd.c b/daemons/clvmd/refresh_clvmd.c index 1e88b5cc..9c0fb4fb 100644 --- a/daemons/clvmd/refresh_clvmd.c +++ b/daemons/clvmd/refresh_clvmd.c @@ -154,6 +154,7 @@ static void _build_header(struct clvm_header *head, int cmd, const char *node, head->cmd = cmd; head->status = 0; head->flags = 0; + head->xid = 0; head->clientid = 0; head->arglen = len; @@ -197,11 +198,12 @@ static int _cluster_request(char cmd, const char *node, void *data, int len, if (_clvmd_sock == -1) return 0; - _build_header(head, cmd, node, len); + /* 1 byte is used from struct clvm_header.args[1], so -> len - 1 */ + _build_header(head, cmd, node, len - 1); memcpy(head->node + strlen(head->node) + 1, data, len); status = _send_request(outbuf, sizeof(struct clvm_header) + - strlen(head->node) + len, &retbuf, no_response); + strlen(head->node) + len - 1, &retbuf, no_response); if (!status || no_response) goto out; |