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windows-callback-lock-order-20080827

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LICENSE MIT

do not hold cm_server_t mutex when calling cm_FindVolumeByID because
the cm_volume_t lock must be obtained ahead of the cm_server_t mutex
This commit is contained in:
Jeffrey Altman 2008-08-27 23:01:51 +00:00
parent c50857b05e
commit 0affa4b86a
1 changed files with 3 additions and 2 deletions
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3
src/WINNT/afsd/cm_callback.c
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@ -1963,9 +1963,10 @@ cm_GiveUpAllCallbacks(cm_server_t *tsp, afs_int32 markDown)
cm_req_t req;
cm_InitReq(&req);
lock_ReleaseMutex(&tsp->mx);
code = cm_FindVolumeByID(tsp->cellp, tsrvp->ids[i], cm_rootUserp,
&req, CM_GETVOL_FLAG_NO_LRU_UPDATE | CM_GETVOL_FLAG_NO_RESET, &volp);
lock_ObtainMutex(&tsp->mx);
if (code == 0) {
cm_UpdateVolumeStatus(volp, tsrvp->ids[i]);
cm_PutVolume(volp);