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| author | Willem de Bruijn <willemb@google.com> | 2017-08-25 13:10:43 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-28 15:11:50 -0700 |
| commit | cc8737a5fe9051b7fa052b08c57ddb9f539c389a (patch) | |
| tree | 3cae87f56e582add84e57166aa2db99b9efe6aa9 | |
| parent | d5a915b978c41396933dcd840b6f09f358ee2383 (diff) | |
| download | linux-cc8737a5fe9051b7fa052b08c57ddb9f539c389a.tar.bz2 | |
xen-netback: update ubuf_info initialization to anonymous union
The xen driver initializes struct ubuf_info fields using designated
initializers. I recently moved these fields inside a nested anonymous
struct inside an anonymous union. I had missed this use case.
This breaks compilation of xen-netback with older compilers.
>From kbuild bot with gcc-4.4.7:
drivers/net//xen-netback/interface.c: In function
'xenvif_init_queue':
>> drivers/net//xen-netback/interface.c:554: error: unknown field 'ctx' specified in initializer
>> drivers/net//xen-netback/interface.c:554: warning: missing braces around initializer
drivers/net//xen-netback/interface.c:554: warning: (near initialization for '(anonymous).<anonymous>')
>> drivers/net//xen-netback/interface.c:554: warning: initialization makes integer from pointer without a cast
>> drivers/net//xen-netback/interface.c:555: error: unknown field 'desc' specified in initializer
Add double braces around the designated initializers to match their
nested position in the struct. After this, compilation succeeds again.
Fixes: 4ab6c99d99bb ("sock: MSG_ZEROCOPY notification coalescing")
Reported-by: kbuild bot <lpk@intel.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/xen-netback/interface.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index e322a862ddfe..ee8ed9da00ad 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -551,8 +551,8 @@ int xenvif_init_queue(struct xenvif_queue *queue) for (i = 0; i < MAX_PENDING_REQS; i++) { queue->pending_tx_info[i].callback_struct = (struct ubuf_info) { .callback = xenvif_zerocopy_callback, - .ctx = NULL, - .desc = i }; + { { .ctx = NULL, + .desc = i } } }; queue->grant_tx_handle[i] = NETBACK_INVALID_HANDLE; } |