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

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

From: Nadav Amit <na...@vmware.com>

commit c3eec59659cf25916647d2178c541302bb4822ad upstream.

rq_reqbuf is allocated using kvmalloc() but released in one occasion
using kfree() instead of kvfree().

The issue was found using grep based on a similar bug.

Fixes: d7e09d0397e8 ("add Lustre file system client support")
Fixes: ee0ec1946ec2 ("lustre: ptlrpc: Replace uses of OBD_{ALLOC,FREE}_LARGE")

Cc: Peng Tao <bergw...@gmail.com>
Cc: Oleg Drokin <oleg.dro...@intel.com>
Cc: James Simmons <jsimm...@infradead.org>

Signed-off-by: Nadav Amit <na...@vmware.com>
Signed-off-by: Andreas Dilger <andreas.dil...@intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/staging/lustre/lustre/ptlrpc/sec.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/lustre/lustre/ptlrpc/sec.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec.c
@@ -838,7 +838,7 @@ void sptlrpc_request_out_callback(struct
        if (req->rq_pool || !req->rq_reqbuf)
                return;
 
-       kfree(req->rq_reqbuf);
+       kvfree(req->rq_reqbuf);
        req->rq_reqbuf = NULL;
        req->rq_reqbuf_len = 0;
 }


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