linux-user: Do not ignore mmap failure from host
File mapping may fail with EACCES. Signed-off-by: Jürg Billeter <j@bitron.ch> Message-id: 1372498892-23676-1-git-send-email-j@bitron.ch Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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					@ -483,6 +483,10 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
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        if (!(flags & MAP_ANONYMOUS)) {
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					        if (!(flags & MAP_ANONYMOUS)) {
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            p = mmap(g2h(start), len, prot,
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					            p = mmap(g2h(start), len, prot,
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                     flags | MAP_FIXED, fd, host_offset);
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					                     flags | MAP_FIXED, fd, host_offset);
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					            if (p == MAP_FAILED) {
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					                munmap(g2h(start), host_len);
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					                goto fail;
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					            }
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            host_start += offset - host_offset;
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					            host_start += offset - host_offset;
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        }
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					        }
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        start = h2g(host_start);
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					        start = h2g(host_start);
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