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path: root/arch/powerpc/kernel/signal_64.c
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Diffstat (limited to 'arch/powerpc/kernel/signal_64.c')
-rw-r--r--arch/powerpc/kernel/signal_64.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 0935fe6c282a..bd5e6834ca69 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -383,7 +383,7 @@ static long restore_sigcontext(struct task_struct *tsk, sigset_t *set, int sig,
err |= __get_user(v_regs, &sc->v_regs);
if (err)
return err;
- if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128)))
+ if (v_regs && !access_ok(v_regs, 34 * sizeof(vector128)))
return -EFAULT;
/* Copy 33 vec registers (vr0..31 and vscr) from the stack */
if (v_regs != NULL && (msr & MSR_VEC) != 0) {
@@ -502,10 +502,9 @@ static long restore_tm_sigcontexts(struct task_struct *tsk,
err |= __get_user(tm_v_regs, &tm_sc->v_regs);
if (err)
return err;
- if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128)))
+ if (v_regs && !access_ok(v_regs, 34 * sizeof(vector128)))
return -EFAULT;
- if (tm_v_regs && !access_ok(VERIFY_READ,
- tm_v_regs, 34 * sizeof(vector128)))
+ if (tm_v_regs && !access_ok(tm_v_regs, 34 * sizeof(vector128)))
return -EFAULT;
/* Copy 33 vec registers (vr0..31 and vscr) from the stack */
if (v_regs != NULL && tm_v_regs != NULL && (msr & MSR_VEC) != 0) {
@@ -671,7 +670,7 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
ctx_has_vsx_region = 1;
if (old_ctx != NULL) {
- if (!access_ok(VERIFY_WRITE, old_ctx, ctx_size)
+ if (!access_ok(old_ctx, ctx_size)
|| setup_sigcontext(&old_ctx->uc_mcontext, current, 0, NULL, 0,
ctx_has_vsx_region)
|| __copy_to_user(&old_ctx->uc_sigmask,
@@ -680,7 +679,7 @@ SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx,
}
if (new_ctx == NULL)
return 0;
- if (!access_ok(VERIFY_READ, new_ctx, ctx_size)
+ if (!access_ok(new_ctx, ctx_size)
|| __get_user(tmp, (u8 __user *) new_ctx)
|| __get_user(tmp, (u8 __user *) new_ctx + ctx_size - 1))
return -EFAULT;
@@ -725,7 +724,7 @@ SYSCALL_DEFINE0(rt_sigreturn)
/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;
- if (!access_ok(VERIFY_READ, uc, sizeof(*uc)))
+ if (!access_ok(uc, sizeof(*uc)))
goto badframe;
if (__copy_from_user(&set, &uc->uc_sigmask, sizeof(set)))