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util: ignore -Wcast-align in virNetlinkDumpCommand

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Similar to commit b202c39 ignore the warning that breaks the build
with clang:
util/virnetlink.c:365:52: error: cast from 'char *' to 'struct nlmsghdr *'
 increases required alignment from 1 to 4 [-Werror,-Wcast-align]
        for (msg = resp; NLMSG_OK(msg, len); msg = NLMSG_NEXT(msg, len)) {
                                                   ^~~~~~~~~~~~~~~~~~~~
/usr/include/linux/netlink.h:87:7: note: expanded from macro 'NLMSG_NEXT'
         (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

(cherry picked from commit 04be4111d9)
This commit is contained in:
Ján Tomko 2017-04-04 12:51:47 +02:00 committed by Cole Robinson
parent 0a1c9b6345
commit c1b4e0f31d
1 changed files with 2 additions and 1 deletions
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3
src/util/virnetlink.c
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@ -361,8 +361,9 @@ virNetlinkDumpCommand(struct nl_msg *nl_msg,
while (!end) {
len = nl_recv(nlhandle, &nladdr, (unsigned char **)&resp, NULL);
VIR_WARNINGS_NO_CAST_ALIGN
for (msg = resp; NLMSG_OK(msg, len); msg = NLMSG_NEXT(msg, len)) {
VIR_WARNINGS_RESET
if (msg->nlmsg_type == NLMSG_DONE)
end = true;