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| author | Kirill A. Shutemov <kirill@shutemov.name> | 2010-01-20 00:56:20 +0100 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2010-01-26 14:59:20 -0600 |
| commit | fb7e378cf9cba1d75d066da4d99f23547627b8ae (patch) | |
| tree | 94785a293f218fe8e33c03d1433f295da26b07c8 /linux-user/mmap.c | |
| parent | 27e3ddd3e0e9a8454e4cd4eebff9db8cd16c1949 (diff) | |
| download | qemu-fb7e378cf9cba1d75d066da4d99f23547627b8ae.tar.gz qemu-fb7e378cf9cba1d75d066da4d99f23547627b8ae.tar.bz2 qemu-fb7e378cf9cba1d75d066da4d99f23547627b8ae.zip | |
linux-user/mmap.c: fix warnings with _FORTIFY_SOURCE
CC i386-linux-user/mmap.o
cc1: warnings being treated as errors
/usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c: In function 'mmap_frag':
/usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c:253: error: ignoring return value of 'pread', declared with attribute warn_unused_result
/usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c: In function 'target_mmap':
/usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c:477: error: ignoring return value of 'pread', declared with attribute warn_unused_result
make[1]: *** [mmap.o] Error 1
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'linux-user/mmap.c')
| -rw-r--r-- | linux-user/mmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 144fb7cbcf..c1c7e4858e 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -250,7 +250,8 @@ static int mmap_frag(abi_ulong real_start, mprotect(host_start, qemu_host_page_size, prot1 | PROT_WRITE); /* read the corresponding file data */ - pread(fd, g2h(start), end - start, offset); + if (pread(fd, g2h(start), end - start, offset) == -1) + return -1; /* put final protection */ if (prot_new != (prot1 | PROT_WRITE)) @@ -474,7 +475,8 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, -1, 0); if (retaddr == -1) goto fail; - pread(fd, g2h(start), len, offset); + if (pread(fd, g2h(start), len, offset) == -1) + goto fail; if (!(prot & PROT_WRITE)) { ret = target_mprotect(start, len, prot); if (ret != 0) { |