diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/signal_32.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 3b78748d6d85..8dfe4fe77706 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -740,6 +740,12 @@ static long restore_tm_user_regs(struct pt_regs *regs, return 0; } +#else +static long restore_tm_user_regs(struct pt_regs *regs, struct mcontext __user *sr, + struct mcontext __user *tm_sr) +{ + return 0; +} #endif #ifdef CONFIG_PPC64 @@ -1317,10 +1323,9 @@ SYSCALL_DEFINE0(sigreturn) struct mcontext __user *sr; void __user *addr; sigset_t set; -#ifdef CONFIG_PPC_TRANSACTIONAL_MEM - struct mcontext __user *mcp, *tm_mcp; - unsigned long msr_hi; -#endif + struct mcontext __user *mcp; + struct mcontext __user *tm_mcp = NULL; + unsigned long long msr_hi = 0; /* Always make any pending restarted system calls return -EINTR */ current->restart_block.fn = do_no_restart_syscall; @@ -1343,19 +1348,18 @@ SYSCALL_DEFINE0(sigreturn) #endif set_current_blocked(&set); -#ifdef CONFIG_PPC_TRANSACTIONAL_MEM mcp = (struct mcontext __user *)&sf->mctx; +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM tm_mcp = (struct mcontext __user *)&sf->mctx_transact; if (__get_user(msr_hi, &tm_mcp->mc_gregs[PT_MSR])) goto badframe; +#endif if (MSR_TM_ACTIVE(msr_hi<<32)) { if (!cpu_has_feature(CPU_FTR_TM)) goto badframe; if (restore_tm_user_regs(regs, mcp, tm_mcp)) goto badframe; - } else -#endif - { + } else { sr = (struct mcontext __user *)from_user_ptr(sigctx.regs); addr = sr; if (!access_ok(sr, sizeof(*sr)) |