diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-06-13 01:53:13 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1997-06-13 01:53:13 +0000 |
| commit | 9a901683563d4ae67d33c20cd9bd0b24f311d687 (patch) | |
| tree | 3277f3a617ed1075a9486aaa3c6414cdcba08018 /arch/mips/kernel/irixsig.c | |
| parent | 677b8443f717369af3a4270ba92e133c36650a08 (diff) | |
Add kernel locking to setup_irix_frame().
Diffstat (limited to 'arch/mips/kernel/irixsig.c')
| -rw-r--r-- | arch/mips/kernel/irixsig.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c index b2d7cbe49..7b0ca736b 100644 --- a/arch/mips/kernel/irixsig.c +++ b/arch/mips/kernel/irixsig.c @@ -81,7 +81,7 @@ static void setup_irix_frame(struct sigaction * sa, struct pt_regs *regs, sp &= ~(0xf); ctx = (struct sigctx_irix5 *) sp; if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx))) - do_exit(SIGSEGV); + goto segv_and_exit; __put_user(0, &ctx->weird_fpu_thing); __put_user(~(0x00000001), &ctx->rmask); @@ -112,6 +112,12 @@ static void setup_irix_frame(struct sigaction * sa, struct pt_regs *regs, regs->regs[6] = regs->regs[29] = sp; regs->regs[7] = (unsigned long) sa->sa_handler; regs->regs[25] = regs->cp0_epc = current->tss.irix_trampoline; + return; + +segv_and_exit: + lock_kernel(); + do_exit(SIGSEGV); + unlock_kernel(); } asmlinkage int sys_wait4(pid_t pid, unsigned long *stat_addr, |