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authorKirill A. Shutemov <kirill@shutemov.name>2010-01-20 00:56:20 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2010-01-26 14:59:20 -0600
commitfb7e378cf9cba1d75d066da4d99f23547627b8ae (patch)
tree94785a293f218fe8e33c03d1433f295da26b07c8 /linux-user
parent27e3ddd3e0e9a8454e4cd4eebff9db8cd16c1949 (diff)
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')
-rw-r--r--linux-user/mmap.c6
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) {