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Commit 493cd912 authored by Harvey Harrison's avatar Harvey Harrison Committed by Ingo Molnar
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x86: ds.c ptrace.c integer as NULL pointer sparse fixes



fix:

 arch/x86/kernel/ptrace.c:763:29: warning: Using plain integer as NULL pointer
 arch/x86/kernel/ptrace.c:777:46: warning: Using plain integer as NULL pointer
 arch/x86/kernel/ptrace.c:1115:45: warning: Using plain integer as NULL pointer
 arch/x86/kernel/ds.c:482:26: warning: Using plain integer as NULL pointer
 arch/x86/kernel/ds.c:487:25: warning: Using plain integer as NULL pointer

Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Acked-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent ebdd90a8
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+2 −2
Original line number Diff line number Diff line
@@ -479,12 +479,12 @@ static int ds_release(struct task_struct *task, enum ds_qualifier qual)
		goto out;

	kfree(context->buffer[qual]);
	context->buffer[qual] = 0;
	context->buffer[qual] = NULL;

	current->mm->total_vm  -= context->pages[qual];
	current->mm->locked_vm -= context->pages[qual];
	context->pages[qual] = 0;
	context->owner[qual] = 0;
	context->owner[qual] = NULL;

	/*
	 * we put the context twice:
+3 −3
Original line number Diff line number Diff line
@@ -734,7 +734,7 @@ static int ptrace_bts_config(struct task_struct *child,
		goto errout;

	if (cfg.flags & PTRACE_BTS_O_ALLOC) {
		ds_ovfl_callback_t ovfl = 0;
		ds_ovfl_callback_t ovfl = NULL;
		unsigned int sig = 0;

		/* we ignore the error in case we were not tracing child */
@@ -748,7 +748,7 @@ static int ptrace_bts_config(struct task_struct *child,
			ovfl = ptrace_bts_ovfl;
		}

		error = ds_request_bts(child, /* base = */ 0, cfg.size, ovfl);
		error = ds_request_bts(child, /* base = */ NULL, cfg.size, ovfl);
		if (error < 0)
			goto errout;

@@ -1086,7 +1086,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
		break;

	case PTRACE_BTS_SIZE:
		ret = ds_get_bts_index(child, /* pos = */ 0);
		ret = ds_get_bts_index(child, /* pos = */ NULL);
		break;

	case PTRACE_BTS_GET: