[PATCH 4.4 056/137] pNFS/flexfiles: Fix an Oopsable typo in ff_mirror_match_fh()

From: Greg Kroah-Hartman
Date: Tue Feb 23 2016 - 23:42:57 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

commit 86fb449b07b8215443a30782dca5755d5b8b0577 upstream.

Jeff reports seeing an Oops in ff_layout_alloc_lseg. Turns out
copy+paste has played cruel tricks on a nested loop.

Reported-by: Jeff Layton <jeff.layton@xxxxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
fs/nfs/flexfilelayout/flexfilelayout.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -145,7 +145,7 @@ static bool ff_mirror_match_fh(const str
return false;
for (i = 0; i < m1->fh_versions_cnt; i++) {
bool found_fh = false;
- for (j = 0; j < m2->fh_versions_cnt; i++) {
+ for (j = 0; j < m2->fh_versions_cnt; j++) {
if (nfs_compare_fh(&m1->fh_versions[i],
&m2->fh_versions[j]) == 0) {
found_fh = true;