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drivers/dma/ioat/dma_v2.c: fix warnings
drivers/dma/ioat/dma_v2.c: In function 'ioat2_dma_prep_memcpy_lock': drivers/dma/ioat/dma_v2.c:680: warning: 'hw' may be used uninitialized in this function drivers/dma/ioat/dma_v2.c:681: warning: 'desc' may be used uninitialized in this function Cc: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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1b6df69309
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1 changed files with 3 additions and 2 deletions
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@ -692,7 +692,8 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
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/* pass */;
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else
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return NULL;
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for (i = 0; i < num_descs; i++) {
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i = 0;
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do {
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size_t copy = min_t(size_t, len, 1 << ioat->xfercap_log);
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desc = ioat2_get_ring_ent(ioat, idx + i);
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@ -707,7 +708,7 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
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dst += copy;
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src += copy;
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dump_desc_dbg(ioat, desc);
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}
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} while (++i < num_descs);
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desc->txd.flags = flags;
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desc->len = total_len;
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