diff options
| author | Paul Mackerras <paulus@samba.org> | 2005-09-25 22:51:50 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-09-25 22:51:50 +1000 |
| commit | e5baa396af7560382d2cf3f0871d616b61fc284c (patch) | |
| tree | 6afc166894b8c8b3b2cf6add72a726be14ae2443 /mm/mprotect.c | |
| parent | d6a4c847e43c851cc0ddf73087a730227223f989 (diff) | |
| parent | ef6bd6eb90ad72ee8ee7ba8b271f27102e9a90c1 (diff) | |
Merge from Linus' tree.
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index e9fbd013ad9..57577f63b30 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -248,7 +248,8 @@ sys_mprotect(unsigned long start, size_t len, unsigned long prot) newflags = vm_flags | (vma->vm_flags & ~(VM_READ | VM_WRITE | VM_EXEC)); - if ((newflags & ~(newflags >> 4)) & 0xf) { + /* newflags >> 4 shift VM_MAY% in place of VM_% */ + if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) { error = -EACCES; goto out; } |