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Subject[PATCH] x86: ds.c ptrace.c integer as NULL pointer sparse fixes
From
Date
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>
---
arch/x86/kernel/ds.c | 4 ++--
arch/x86/kernel/ptrace.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
index ab21c27..2b69994 100644
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
@@ -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:
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 42801a5..4e1ef66 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -760,7 +760,7 @@ 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 */
@@ -774,7 +774,7 @@ 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;

@@ -1112,7 +1112,7 @@ 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:
--
1.6.0.2.471.g47a76




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