mmap_frag() returns -1 on error and set errno.
Signed-off-by: Kirill A. Shutemov <kir...@shutemov.name>
---
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 c1c7e48..47bc339 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -242,8 +242,10 @@ static int mmap_frag(abi_ulong real_start,
/* 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;
+ }
/* adjust protection to be able to read */
if (!(prot1 & PROT_WRITE))
--
1.6.5.7
