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Fix printf format warning in iflib.c

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Clang 5.0.0 got better warnings about printf format strings using %zd,
and this leads to the following -Werror warning on e.g. arm:

    sys/net/iflib.c:1517:8: error: format specifies type 'ssize_t' (aka 'int') but the argument has type 'bus_size_t' (aka 'unsigned long') [-Werror,-Wformat]
                                              sctx->isc_tx_maxsize, nsegments, sctx->isc_tx_maxsegsize);
                                              ^~~~~~~~~~~~~~~~~~~~
    sys/net/iflib.c:1517:41: error: format specifies type 'ssize_t' (aka 'int') but the argument has type 'bus_size_t' (aka 'unsigned long') [-Werror,-Wformat]
                                              sctx->isc_tx_maxsize, nsegments, sctx->isc_tx_maxsegsize);
                                                                               ^~~~~~~~~~~~~~~~~~~~~~~

Fix this by casting bus_size_t arguments to uintmax_t, and using %ju
instead.

Reviewed by:	emaste
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D11679
This commit is contained in:
Dimitry Andric 2017-07-20 20:28:31 +00:00
parent 04a7769aa2
commit 9d0a88de9b
1 changed files with 2 additions and 2 deletions
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4
sys/net/iflib.c
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@ -1513,8 +1513,8 @@ iflib_txsd_alloc(iflib_txq_t txq)
NULL, /* lockfuncarg */
&txq->ift_desc_tag))) {
device_printf(dev,"Unable to allocate TX DMA tag: %d\n", err);
device_printf(dev,"maxsize: %zd nsegments: %d maxsegsize: %zd\n",
sctx->isc_tx_maxsize, nsegments, sctx->isc_tx_maxsegsize);
device_printf(dev,"maxsize: %ju nsegments: %d maxsegsize: %ju\n",
(uintmax_t)sctx->isc_tx_maxsize, nsegments, (uintmax_t)sctx->isc_tx_maxsegsize);
goto fail;
}
if ((err = bus_dma_tag_create(bus_get_dma_tag(dev),