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x86: ds.c ptrace.c integer as NULL pointer sparse fixes

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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: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Harvey Harrison 2008-09-23 14:56:44 -07:00 committed by Ingo Molnar
parent ebdd90a8cb
commit 493cd9122a
2 changed files with 5 additions and 5 deletions
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4
arch/x86/kernel/ds.c
View file

@ -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:

6
arch/x86/kernel/ptrace.c
View file

@ -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: