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-rw-r--r--meta/packages/qemu/qemu-0.9.1+svnr4027/fix_brk.patch55
1 files changed, 0 insertions, 55 deletions
diff --git a/meta/packages/qemu/qemu-0.9.1+svnr4027/fix_brk.patch b/meta/packages/qemu/qemu-0.9.1+svnr4027/fix_brk.patch
deleted file mode 100644
index 783198d9e3..0000000000
--- a/meta/packages/qemu/qemu-0.9.1+svnr4027/fix_brk.patch
+++ /dev/null
@@ -1,55 +0,0 @@
1--- qemu/linux-user/syscall.c1 (revision 16)
2+++ qemu/linux-user/syscall.c (working copy)
3@@ -441,7 +441,7 @@
4 if (!new_brk)
5 return target_brk;
6 if (new_brk < target_original_brk)
7- return -TARGET_ENOMEM;
8+ return target_brk;
9
10 brk_page = HOST_PAGE_ALIGN(target_brk);
11
12@@ -456,12 +456,11 @@
13 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
14 PROT_READ|PROT_WRITE,
15 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
16- if (is_error(mapped_addr)) {
17- return mapped_addr;
18- } else {
19+
20+ if (!is_error(mapped_addr))
21 target_brk = new_brk;
22- return target_brk;
23- }
24+
25+ return target_brk;
26 }
27
28 static inline abi_long copy_from_user_fdset(fd_set *fds,
29--- qemu/linux-user/mmap.c1 (revision 16)
30+++ qemu/linux-user/mmap.c (working copy)
31@@ -260,6 +259,9 @@
32 host_start += offset - host_offset;
33 start = h2g(host_start);
34 } else {
35+ int flg;
36+ target_ulong addr;
37+
38 if (start & ~TARGET_PAGE_MASK) {
39 errno = EINVAL;
40 return -1;
41@@ -267,6 +269,14 @@
42 end = start + len;
43 real_end = HOST_PAGE_ALIGN(end);
44
45+ for(addr = real_start; addr < real_end; addr += TARGET_PAGE_SIZE) {
46+ flg = page_get_flags(addr);
47+ if( flg & PAGE_RESERVED ) {
48+ errno = ENXIO;
49+ return -1;
50+ }
51+ }
52+
53 /* worst case: we cannot map the file because the offset is not
54 aligned, so we read it */
55 if (!(flags & MAP_ANONYMOUS) &&