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Initializae lastaddr to 0 in bus_dmamap_load_uio so that

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_bus_dmamap_load_buffer won't (potentially) be confused.

Discovered by: gcc 4.2

MFC after:	3 days
This commit is contained in:
Matt Jacob 2007-05-20 16:53:45 +00:00
parent 6c7d0cff3f
commit 2d5f1502fe
1 changed files with 1 additions and 0 deletions
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1
sys/i386/i386/busdma_machdep.c
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@ -869,6 +869,7 @@ bus_dmamap_load_uio(bus_dma_tag_t dmat, bus_dmamap_t map,
nsegs = 0;
error = 0;
first = 1;
lastaddr = (bus_addr_t) 0;
for (i = 0; i < uio->uio_iovcnt && resid != 0 && !error; i++) {
/*
* Now at the first iovec to load. Load each iovec