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author | Paul Mackerras <paulus@samba.org> | 2005-11-08 11:14:20 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2005-11-08 11:14:20 +1100 |
commit | 24bfb00123e82a2e70bd115277d922438813515b (patch) | |
tree | 27328b8a5718e16d64e2d101f4b7ddcad5930aed /arch/h8300/kernel/ptrace.c | |
parent | c6135234550ed89a6fd0e8cb229633967e41d649 (diff) | |
parent | 3f00d3e8fb963968a922d821a9a53b503b687e81 (diff) | |
download | kernel-crypto-24bfb00123e82a2e70bd115277d922438813515b.tar.gz kernel-crypto-24bfb00123e82a2e70bd115277d922438813515b.tar.xz kernel-crypto-24bfb00123e82a2e70bd115277d922438813515b.zip |
Merge ../linux-2.6
Diffstat (limited to 'arch/h8300/kernel/ptrace.c')
-rw-r--r-- | arch/h8300/kernel/ptrace.c | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index a569fe4aa28..0ff6f79b0fe 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -57,43 +57,10 @@ void ptrace_disable(struct task_struct *child) h8300_disable_trace(child); } -asmlinkage long sys_ptrace(long request, long pid, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, long addr, long data) { - struct task_struct *child; int ret; - lock_kernel(); - ret = -EPERM; - if (request == PTRACE_TRACEME) { - /* are we already being traced? */ - if (current->ptrace & PT_PTRACED) - goto out; - /* set the ptrace bit in the process flags. */ - current->ptrace |= PT_PTRACED; - ret = 0; - goto out; - } - ret = -ESRCH; - read_lock(&tasklist_lock); - child = find_task_by_pid(pid); - if (child) - get_task_struct(child); - read_unlock(&tasklist_lock); - if (!child) - goto out; - - ret = -EPERM; - if (pid == 1) /* you may not mess with init */ - goto out_tsk; - - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - goto out_tsk; - } - ret = ptrace_check_attach(child, request == PTRACE_KILL); - if (ret < 0) - goto out_tsk; - switch (request) { case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: { @@ -251,10 +218,6 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data) ret = -EIO; break; } -out_tsk: - put_task_struct(child); -out: - unlock_kernel(); return ret; } |