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mmap(2) returns MAP_FAILED, not NULL, on failure
Signed-off-by: Michael McConville <mmcco@mykolab.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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@ -199,7 +199,7 @@ static void xen_remap_bucket(MapCacheEntry *entry,
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*/
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vaddr_base = mmap(vaddr, size, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0);
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if (vaddr_base == NULL) {
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if (vaddr_base == MAP_FAILED) {
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perror("mmap");
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exit(-1);
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}
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