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authorNamhyung Kim <namhyung@gmail.com>2010-10-28 02:34:04 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-28 05:03:12 +0400
commit0a3d763f1a68c97daae57e40c6d698986d1b38f4 (patch)
treeb88189bb89beadc12e414c27be08c26ad837dbbd /arch/um/sys-x86_64
parent8c0acac3676103113a2e259291a07c073ac07879 (diff)
downloadlinux-0a3d763f1a68c97daae57e40c6d698986d1b38f4.tar.xz
ptrace: cleanup arch_ptrace() on um
Remove unnecessary castings using void pointer and fix copy_to_user() return value. Also add missing __user markup on the argument of arch_ptrctl(). Signed-off-by: Namhyung Kim <namhyung@gmail.com> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/sys-x86_64')
-rw-r--r--arch/um/sys-x86_64/ptrace.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c
index 67e63680df28..f43613643cdb 100644
--- a/arch/um/sys-x86_64/ptrace.c
+++ b/arch/um/sys-x86_64/ptrace.c
@@ -179,15 +179,14 @@ long subarch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret = -EIO;
+ void __user *datap = (void __user *) data;
switch (request) {
case PTRACE_GETFPXREGS: /* Get the child FPU state. */
- ret = get_fpregs((struct user_i387_struct __user *) data,
- child);
+ ret = get_fpregs(datap, child);
break;
case PTRACE_SETFPXREGS: /* Set the child FPU state. */
- ret = set_fpregs((struct user_i387_struct __user *) data,
- child);
+ ret = set_fpregs(datap, child);
break;
}