diff options
Diffstat (limited to 'linux-user/mmap.c')
| -rw-r--r-- | linux-user/mmap.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/linux-user/mmap.c b/linux-user/mmap.c index a404ef3..948f2f6 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -183,8 +183,10 @@ long target_mmap(unsigned long start, unsigned long len, int prot, } #endif - if (offset & ~TARGET_PAGE_MASK) - return -EINVAL; + if (offset & ~TARGET_PAGE_MASK) { + errno = EINVAL; + return -1; + } len = TARGET_PAGE_ALIGN(len); if (len == 0) @@ -232,8 +234,10 @@ long target_mmap(unsigned long start, unsigned long len, int prot, } } - if (start & ~TARGET_PAGE_MASK) - return -EINVAL; + if (start & ~TARGET_PAGE_MASK) { + errno = EINVAL; + return -1; + } end = start + len; host_end = HOST_PAGE_ALIGN(end); @@ -244,8 +248,10 @@ long target_mmap(unsigned long start, unsigned long len, int prot, /* msync() won't work here, so we return an error if write is possible while it is a shared mapping */ if ((flags & MAP_TYPE) == MAP_SHARED && - (prot & PROT_WRITE)) - return -EINVAL; + (prot & PROT_WRITE)) { + errno = EINVAL; + return -1; + } retaddr = target_mmap(start, len, prot | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); |
