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nbd: fix memory leak in nbd_opt_go()

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nbd/client.c:385:12: warning: Potential leak of memory pointed to by 'buf'

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20170727024224.22900-5-f4bug@amsat.org>
[introduced in commit 8ecaeae8]
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2017-07-26 23:42:09 -03:00 committed by Eric Blake
parent 3aabfec2c8
commit 158b9aa568
1 changed files with 5 additions and 3 deletions
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8
nbd/client.c
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@ -376,9 +376,11 @@ static int nbd_opt_go(QIOChannel *ioc, const char *wantname,
if (info->request_sizes) {
stw_be_p(buf + 4 + len + 2, NBD_INFO_BLOCK_SIZE);
}
if (nbd_send_option_request(ioc, NBD_OPT_GO,
4 + len + 2 + 2 * info->request_sizes, buf,
errp) < 0) {
error = nbd_send_option_request(ioc, NBD_OPT_GO,
4 + len + 2 + 2 * info->request_sizes,
buf, errp);
g_free(buf);
if (error < 0) {
return -1;
}