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qcacld-3.0: At TSO segment free set owner TX desc to NULL

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Currently at TSO segment free it's debug information is not
cleared. TSO segment TX descriptor owner is part of the debug
information. As a result even after segment free still its
point to stale TX descriptor as it's owner. In this change at
TSO segment free set TX desc owner to NULL.

Change-Id: I09f927d78c7b3aa4691aa69acbd4cef5002cf11d
CRs-Fixed: 2063433
This commit is contained in:
Sravan Kumar Kairam 2017-06-27 16:00:24 +05:30 • committed by snandini
commit 3d5c118ec6
1 changed files with 4 additions and 0 deletions
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4
core/dp/txrx/ol_tx_desc.c
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@ -767,6 +767,9 @@ ol_tso_seg_dbg_sanitize(struct qdf_tso_seg_elem_t *tsoseg)
if (tsoseg != NULL) {
txdesc = tsoseg->dbg.txdesc;
/* Don't validate if TX desc is NULL*/
if (!txdesc)
return 0;
if (txdesc->tso_desc != tsoseg)
qdf_tso_seg_dbg_bug("Owner sanity failed");
else
@ -849,6 +852,7 @@ void ol_tso_free_segment(struct ol_txrx_pdev_t *pdev,
}
/* sanitize before free */
ol_tso_seg_dbg_sanitize(tso_seg);
qdf_tso_seg_dbg_setowner(tso_seg, NULL);
/*this tso seg is now a part of freelist*/
/* retain segment history, if debug is enabled */
qdf_tso_seg_dbg_zero(tso_seg);