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Remove superfluous bzero in getcontext/swapcontext/sendsig
We zero the whole structure; we don't need to zero the __spare__ field again. Remove trailing whitespace. MFC after: 2 weeks Sponsored by: Dell EMC Isilon
This commit is contained in:
parent
4d5a108409
commit
607a0eb2f1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=340996
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@ -392,7 +392,6 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
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sf.sf_uc.uc_mcontext.mc_gsbase = pcb->pcb_gsbase;
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bzero(sf.sf_uc.uc_mcontext.mc_spare,
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sizeof(sf.sf_uc.uc_mcontext.mc_spare));
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bzero(sf.sf_uc.__spare__, sizeof(sf.sf_uc.__spare__));
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/* Allocate space for the signal handler context. */
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if ((td->td_pflags & TDP_ALTSTACK) != 0 && !oonstack &&
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@ -266,7 +266,6 @@ freebsd32_getcontext(struct thread *td, struct freebsd32_getcontext_args *uap)
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PROC_LOCK(td->td_proc);
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uc.uc_sigmask = td->td_sigmask;
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PROC_UNLOCK(td->td_proc);
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bzero(&uc.__spare__, sizeof(uc.__spare__));
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ret = copyout(&uc, uap->ucp, UC_COPY_SIZE);
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}
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return (ret);
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@ -276,7 +275,7 @@ int
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freebsd32_setcontext(struct thread *td, struct freebsd32_setcontext_args *uap)
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{
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struct ia32_ucontext uc;
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int ret;
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int ret;
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if (uap->ucp == NULL)
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ret = EINVAL;
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@ -297,7 +296,7 @@ int
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freebsd32_swapcontext(struct thread *td, struct freebsd32_swapcontext_args *uap)
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{
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struct ia32_ucontext uc;
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int ret;
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int ret;
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if (uap->oucp == NULL || uap->ucp == NULL)
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ret = EINVAL;
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@ -622,7 +621,6 @@ ia32_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
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fpstate_drop(td);
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sf.sf_uc.uc_mcontext.mc_fsbase = td->td_pcb->pcb_fsbase;
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sf.sf_uc.uc_mcontext.mc_gsbase = td->td_pcb->pcb_gsbase;
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bzero(sf.sf_uc.__spare__, sizeof(sf.sf_uc.__spare__));
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/* Allocate space for the signal handler context. */
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if ((td->td_pflags & TDP_ALTSTACK) != 0 && !oonstack &&
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@ -645,7 +645,6 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
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sdp->sd_lobase;
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bzero(sf.sf_uc.uc_mcontext.mc_spare2,
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sizeof(sf.sf_uc.uc_mcontext.mc_spare2));
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bzero(sf.sf_uc.__spare__, sizeof(sf.sf_uc.__spare__));
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/* Allocate space for the signal handler context. */
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if ((td->td_pflags & TDP_ALTSTACK) != 0 && !oonstack &&
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@ -75,7 +75,6 @@ sys_getcontext(struct thread *td, struct getcontext_args *uap)
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PROC_LOCK(td->td_proc);
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uc.uc_sigmask = td->td_sigmask;
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PROC_UNLOCK(td->td_proc);
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bzero(uc.__spare__, sizeof(uc.__spare__));
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ret = copyout(&uc, uap->ucp, UC_COPY_SIZE);
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}
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return (ret);
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@ -85,7 +84,7 @@ int
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sys_setcontext(struct thread *td, struct setcontext_args *uap)
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{
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ucontext_t uc;
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int ret;
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int ret;
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if (uap->ucp == NULL)
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ret = EINVAL;
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@ -106,14 +105,13 @@ int
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sys_swapcontext(struct thread *td, struct swapcontext_args *uap)
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{
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ucontext_t uc;
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int ret;
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int ret;
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if (uap->oucp == NULL || uap->ucp == NULL)
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ret = EINVAL;
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else {
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bzero(&uc, sizeof(ucontext_t));
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get_mcontext(td, &uc.uc_mcontext, GET_MC_CLEAR_RET);
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bzero(uc.__spare__, sizeof(uc.__spare__));
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PROC_LOCK(td->td_proc);
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uc.uc_sigmask = td->td_sigmask;
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PROC_UNLOCK(td->td_proc);
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