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!183 fix: dereference NULL point bug fix 

Merge pull request !183 from MGY917/signal_bug_fix
This commit is contained in:
openharmony_ci 2021-04-25 14:20:21 +08:00 committed by Gitee
parent be40fa1381 deaa564a66
commit 806ce4eb26
1 changed files with 5 additions and 1 deletions
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6
kernel/base/ipc/los_signal.c
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@ -270,8 +270,12 @@ int OsSigProcessSend(LosProcessCB *spcb, siginfo_t *sigInfo)
.receivedTcb = NULL
};
if (info.sigInfo == NULL){
return -EFAULT;
}
/* visit all taskcb and dispatch signal */
if ((info.sigInfo != NULL) && (info.sigInfo->si_signo == SIGKILL)) {
if (info.sigInfo->si_signo == SIGKILL) {
(void)OsSigProcessForeachChild(spcb, SigProcessKillSigHandler, &info);
OsSigAddSet(&spcb->sigShare, info.sigInfo->si_signo);
OsWaitSignalToWakeProcess(spcb);