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Fix a possible mutex leak in KeSetTimerEx(): if timer is NULL, we

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bail out without releasing the dispatcher lock. Move the lock acquisition
after the pointer test to avoid this.
This commit is contained in:
Bill Paul 2005-03-30 16:22:48 +00:00
parent ba467ce430
commit c3c51190cc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=144342
1 changed files with 2 additions and 2 deletions
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4
sys/compat/ndis/subr_ntoskrnl.c
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@ -2575,11 +2575,11 @@ KeSetTimerEx(timer, duetime, period, dpc)
uint64_t curtime;
uint8_t pending;
mtx_lock(&ntoskrnl_dispatchlock);
if (timer == NULL)
return(FALSE);
mtx_lock(&ntoskrnl_dispatchlock);
if (timer->k_header.dh_inserted == TRUE) {
untimeout(ntoskrnl_timercall, timer, timer->k_handle);
timer->k_header.dh_inserted = FALSE;