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authorHelge Deller <deller@gmx.de>2009-02-13 23:58:29 +0100
committerKyle McMartin <kyle@mcmartin.ca>2009-03-31 02:51:34 +0000
commit803094f480aa5b7dd5187a17e6e60ff24721c212 (patch)
treefa1114e85294e30233263f429fe560eae8a2f718
parentparisc: add LATENCYTOP_SUPPORT and CONFIG_STACKTRACE_SUPPORT (diff)
downloadlinux-dev-803094f480aa5b7dd5187a17e6e60ff24721c212.tar.xz
linux-dev-803094f480aa5b7dd5187a17e6e60ff24721c212.zip
parisc: simplify sys_clone()
No need to test clone_flags here and set parent_tidptr and child_tidptr accordingly. The same check will be done in do_fork() and copy_process() anyway. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
-rw-r--r--arch/parisc/kernel/process.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index b80e02a4d81d..ad585fd7748e 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -231,8 +231,8 @@ sys_clone(unsigned long clone_flags, unsigned long usp,
However, these last 3 args are only examined
if the proper flags are set. */
- int __user *child_tidptr;
- int __user *parent_tidptr;
+ int __user *parent_tidptr = (int __user *)regs->gr[24];
+ int __user *child_tidptr = (int __user *)regs->gr[22];
/* usp must be word aligned. This also prevents users from
* passing in the value 1 (which is the signal for a special
@@ -243,16 +243,6 @@ sys_clone(unsigned long clone_flags, unsigned long usp,
if (usp == 0)
usp = regs->gr[30];
- if (clone_flags & CLONE_PARENT_SETTID)
- parent_tidptr = (int __user *)regs->gr[24];
- else
- parent_tidptr = NULL;
-
- if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID))
- child_tidptr = (int __user *)regs->gr[22];
- else
- child_tidptr = NULL;
-
return do_fork(clone_flags, usp, regs, 0, parent_tidptr, child_tidptr);
}