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linux-user: Do not ignore mmap failure from host

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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>
This commit is contained in:
Jürg Billeter 2013-06-29 11:41:32 +02:00 committed by Riku Voipio
parent f651e6ae55
commit 8384274eda
1 changed files with 4 additions and 0 deletions
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linux-user/mmap.c
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@ -483,6 +483,10 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
if (!(flags & MAP_ANONYMOUS)) {
p = mmap(g2h(start), len, prot,
flags | MAP_FIXED, fd, host_offset);
if (p == MAP_FAILED) {
munmap(g2h(start), host_len);
goto fail;
}
host_start += offset - host_offset;
}
start = h2g(host_start);