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staging: lustre: mdc: avoid returning freed request 

In mdc_close() if ptlrpc_request_pack() fails then set req to NULL so
that an already freed request is not returned in *request.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8811
Reviewed-on: https://review.whamcloud.com/23843
Reviewed-by: Patrick Farrell <paf@cray.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
zero-colors
John L. Hammond 2017-01-28 19:05:15 -05:00 committed by Greg Kroah-Hartman
parent 26d2bf1e71
commit 59bedbccb5
1 changed files with 1 additions and 0 deletions
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drivers/staging/lustre/lustre/mdc/mdc_request.c
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@ -762,6 +762,7 @@ static int mdc_close(struct obd_export *exp, struct md_op_data *op_data,
rc = ptlrpc_request_pack(req, LUSTRE_MDS_VERSION, MDS_CLOSE);
if (rc) {
ptlrpc_request_free(req);
req = NULL;
goto out;
}