From 8384274eda1d7cb01f326143fa6118562c1eb5be Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=BCrg=20Billeter?= Date: Sat, 29 Jun 2013 11:41:32 +0200 Subject: linux-user: Do not ignore mmap failure from host MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit File mapping may fail with EACCES. Signed-off-by: Jürg Billeter Message-id: 1372498892-23676-1-git-send-email-j@bitron.ch Reviewed-by: Peter Maydell --- linux-user/mmap.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'linux-user/mmap.c') diff --git a/linux-user/mmap.c b/linux-user/mmap.c index b412e3fe0a..de2219768d 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); -- cgit v1.2.3