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ptrace: cleanup arch_ptrace() on xtensa 

Use new 'datap' variable in order to remove unnecessary castings.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Namhyung Kim 2010-10-27 15:34:06 -07:00 committed by Linus Torvalds
parent 0a3d763f1a
commit 5ef45079dd
1 changed files with 6 additions and 5 deletions
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11
arch/xtensa/kernel/ptrace.c
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@ -260,6 +260,7 @@ long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret = -EPERM;
void __user *datap = (void __user *) data;
switch (request) {
case PTRACE_PEEKTEXT: /* read word at location addr. */
@ -268,7 +269,7 @@ long arch_ptrace(struct task_struct *child, long request,
break;
case PTRACE_PEEKUSR: /* read register specified by addr. */
ret = ptrace_peekusr(child, addr, (void __user *) data);
ret = ptrace_peekusr(child, addr, datap);
break;
case PTRACE_POKETEXT: /* write the word at location addr. */
@ -281,19 +282,19 @@ long arch_ptrace(struct task_struct *child, long request,
break;
case PTRACE_GETREGS:
ret = ptrace_getregs(child, (void __user *) data);
ret = ptrace_getregs(child, datap);
break;
case PTRACE_SETREGS:
ret = ptrace_setregs(child, (void __user *) data);
ret = ptrace_setregs(child, datap);
break;
case PTRACE_GETXTREGS:
ret = ptrace_getxregs(child, (void __user *) data);
ret = ptrace_getxregs(child, datap);
break;
case PTRACE_SETXTREGS:
ret = ptrace_setxregs(child, (void __user *) data);
ret = ptrace_setxregs(child, datap);
break;
default: