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linux-mmap-ro-means-no-write-20050125
[openafs.git]
/
src
/
afs
/
LINUX
/
osi_vnodeops.c
diff --git
a/src/afs/LINUX/osi_vnodeops.c
b/src/afs/LINUX/osi_vnodeops.c
index
333b5be
..
ab196b5
100644
(file)
--- a/
src/afs/LINUX/osi_vnodeops.c
+++ b/
src/afs/LINUX/osi_vnodeops.c
@@
-518,6
+518,9
@@
afs_linux_mmap(struct file *fp, struct vm_area_struct *vmap)
if (!code)
code = afs_VerifyVCache(vcp, &treq);
+ if (!code && (vcp->states & CRO) &&
+ (vmap->vm_file->f_flags & (FWRITE | FTRUNC)))
+ code = EACCES;
if (code)
code = -code;