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[PATCH] knfsd: fix an NFSD bug with full sized, non-page-aligned reads
[safe/jmp/linux-2.6]
/
fs
/
nfsd
/
vfs.c
diff --git
a/fs/nfsd/vfs.c
b/fs/nfsd/vfs.c
index
7a79c23
..
ea85562
100644
(file)
--- a/
fs/nfsd/vfs.c
+++ b/
fs/nfsd/vfs.c
@@
-822,7
+822,8
@@
nfsd_read_actor(read_descriptor_t *desc, struct page *page, unsigned long offset
rqstp->rq_res.page_len = size;
} else if (page != pp[-1]) {
get_page(page);
- put_page(*pp);
+ if (*pp)
+ put_page(*pp);
*pp = page;
rqstp->rq_resused++;
rqstp->rq_res.page_len += size;