ba92732e98
This patch add checks in places where map__kmap is used to get kmaps from struct kmap. Error messages are added at map__kmap to warn invalid accessing of kmap (for the case of !map->dso->kernel, kmap(map) does not exists at all). Also, introduces map__kmaps() to warn uninitialized kmaps. Reviewed-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: pi3orama@163.com Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Zefan Li <lizefan@huawei.com> Link: http://lkml.kernel.org/r/1428394966-131044-2-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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