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Initialize the bounce pages list in armv[4|6] DMA maps.

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Fixes the crash on the first use of STAILQ_INSERT_TAIL() in
add_bounce_page().

Sponsored by:	Rubicon Communications, LLC (Netgate)
This commit is contained in:
Luiz Otavio O Souza 2019-12-24 23:43:29 +00:00
parent c094263a24
commit 18346de0cc
2 changed files with 2 additions and 0 deletions
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1
sys/arm/arm/busdma_machdep-v4.c
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@ -669,6 +669,7 @@ allocate_map(bus_dma_tag_t dmat, int mflags)
return (NULL);
}
map->segments = (bus_dma_segment_t *)((uintptr_t)map + mapsize);
STAILQ_INIT(&map->bpages);
return (map);
}

1
sys/arm/arm/busdma_machdep-v6.c
View file

@ -735,6 +735,7 @@ allocate_map(bus_dma_tag_t dmat, int mflags)
return (NULL);
}
map->segments = (bus_dma_segment_t *)((uintptr_t)map + mapsize);
STAILQ_INIT(&map->bpages);
return (map);
}