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| author | Jürg Billeter <j@bitron.ch> | 2013-06-29 11:41:32 +0200 |
|---|---|---|
| committer | Riku Voipio <riku.voipio@linaro.org> | 2013-07-05 15:45:40 +0300 |
| commit | 8384274eda1d7cb01f326143fa6118562c1eb5be (patch) | |
| tree | 8a1b96d85dffb4254366e180fa46da25023086aa /linux-user | |
| parent | f651e6ae55b047a8ac4b6b5891fe69ba4c66c57c (diff) | |
| download | qemu-8384274eda1d7cb01f326143fa6118562c1eb5be.zip qemu-8384274eda1d7cb01f326143fa6118562c1eb5be.tar.gz qemu-8384274eda1d7cb01f326143fa6118562c1eb5be.tar.bz2 | |
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>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/mmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c index b412e3f..de22197 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -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); |