From 9e714bed644cb463489b9250774a4b0fb352cabc Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 30 Jan 2008 13:30:58 +0100 Subject: x86: x86-32 ptrace whitespace This canonicalizes the indentation in the getreg and putreg functions. Signed-off-by: Roland McGrath Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/kernel/ptrace_32.c | 110 ++++++++++++++++++++++---------------------- 1 file changed, 55 insertions(+), 55 deletions(-) diff --git a/arch/x86/kernel/ptrace_32.c b/arch/x86/kernel/ptrace_32.c index f81e2f1827d..5aca84ef26d 100644 --- a/arch/x86/kernel/ptrace_32.c +++ b/arch/x86/kernel/ptrace_32.c @@ -51,37 +51,37 @@ static int putreg(struct task_struct *child, struct pt_regs *regs = task_pt_regs(child); regno >>= 2; switch (regno) { - case GS: - if (value && (value & 3) != 3) - return -EIO; - child->thread.gs = value; - return 0; - case DS: - case ES: - case FS: - if (value && (value & 3) != 3) - return -EIO; - value &= 0xffff; - break; - case SS: - case CS: - if ((value & 3) != 3) - return -EIO; - value &= 0xffff; - break; - case EFL: - value &= FLAG_MASK; - /* - * If the user value contains TF, mark that - * it was not "us" (the debugger) that set it. - * If not, make sure it stays set if we had. - */ - if (value & X86_EFLAGS_TF) - clear_tsk_thread_flag(child, TIF_FORCED_TF); - else if (test_tsk_thread_flag(child, TIF_FORCED_TF)) - value |= X86_EFLAGS_TF; - value |= regs->flags & ~FLAG_MASK; - break; + case GS: + if (value && (value & 3) != 3) + return -EIO; + child->thread.gs = value; + return 0; + case DS: + case ES: + case FS: + if (value && (value & 3) != 3) + return -EIO; + value &= 0xffff; + break; + case SS: + case CS: + if ((value & 3) != 3) + return -EIO; + value &= 0xffff; + break; + case EFL: + value &= FLAG_MASK; + /* + * If the user value contains TF, mark that + * it was not "us" (the debugger) that set it. + * If not, make sure it stays set if we had. + */ + if (value & X86_EFLAGS_TF) + clear_tsk_thread_flag(child, TIF_FORCED_TF); + else if (test_tsk_thread_flag(child, TIF_FORCED_TF)) + value |= X86_EFLAGS_TF; + value |= regs->flags & ~FLAG_MASK; + break; } *pt_regs_access(regs, regno) = value; return 0; @@ -94,26 +94,26 @@ static unsigned long getreg(struct task_struct *child, unsigned long regno) regno >>= 2; switch (regno) { - case EFL: - /* - * If the debugger set TF, hide it from the readout. - */ - retval = regs->flags; - if (test_tsk_thread_flag(child, TIF_FORCED_TF)) - retval &= ~X86_EFLAGS_TF; - break; - case GS: - retval = child->thread.gs; - break; - case DS: - case ES: - case FS: - case SS: - case CS: - retval = 0xffff; - /* fall through */ - default: - retval &= *pt_regs_access(regs, regno); + case EFL: + /* + * If the debugger set TF, hide it from the readout. + */ + retval = regs->flags; + if (test_tsk_thread_flag(child, TIF_FORCED_TF)) + retval &= ~X86_EFLAGS_TF; + break; + case GS: + retval = child->thread.gs; + break; + case DS: + case ES: + case FS: + case SS: + case CS: + retval = 0xffff; + /* fall through */ + default: + retval &= *pt_regs_access(regs, regno); } return retval; } @@ -190,7 +190,7 @@ static int ptrace_set_debugreg(struct task_struct *child, * Make sure the single step bit is not set. */ void ptrace_disable(struct task_struct *child) -{ +{ user_disable_single_step(child); clear_tsk_thread_flag(child, TIF_SYSCALL_EMU); } @@ -203,7 +203,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ + case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: ret = generic_ptrace_peekdata(child, addr, data); break; @@ -213,7 +213,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) unsigned long tmp; ret = -EIO; - if ((addr & 3) || addr < 0 || + if ((addr & 3) || addr < 0 || addr > sizeof(struct user) - 3) break; @@ -238,7 +238,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ ret = -EIO; - if ((addr & 3) || addr < 0 || + if ((addr & 3) || addr < 0 || addr > sizeof(struct user) - 3) break; -- cgit v1.2.3