git.samba.org
/
sfrench
/
cifs-2.6.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
| inline |
side by side
[PATCH] slab: use probe_kernel_address()
[sfrench/cifs-2.6.git]
/
mm
/
madvise.c
diff --git
a/mm/madvise.c
b/mm/madvise.c
index af3d573b014122f7fd2a99c3ee90c3826f70457f..4e196155a0c3635801bd0f8dcff0b18ce1bbcf37 100644
(file)
--- a/
mm/madvise.c
+++ b/
mm/madvise.c
@@
-168,6
+168,9
@@
static long madvise_remove(struct vm_area_struct *vma,
return -EINVAL;
}
+ if ((vma->vm_flags & (VM_SHARED|VM_WRITE)) != (VM_SHARED|VM_WRITE))
+ return -EACCES;
+
mapping = vma->vm_file->f_mapping;
offset = (loff_t)(start - vma->vm_start)