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linux-user/mmap.c: fix warnings with _FORTIFY_SOURCE

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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>
This commit is contained in:
Kirill A. Shutemov 2010-01-20 00:56:20 +01:00 committed by Anthony Liguori
parent 27e3ddd3e0
commit fb7e378cf9
1 changed files with 4 additions and 2 deletions
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6
linux-user/mmap.c
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@ -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) {