X-Git-Url: https://bbs.cooldavid.org/git/?a=blobdiff_plain;f=arch%2Fum%2Fsys-x86_64%2Fptrace.c;h=f43613643cdb71bf3100065830471965cc246541;hb=0a3d763f1a68c97daae57e40c6d698986d1b38f4;hp=f3458d7d1c5ac4a39d5d8aab4fe94c80bfa593e3;hpb=70ec75c5b8e0bda7a16fb387f91e08545f379a0e;p=net-next-2.6.git

diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c
index f3458d7d1c5..f43613643cd 100644
--- a/arch/um/sys-x86_64/ptrace.c
+++ b/arch/um/sys-x86_64/ptrace.c
@@ -175,19 +175,18 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 	return restore_fp_registers(userspace_pid[cpu], fpregs);
 }
 
-long subarch_ptrace(struct task_struct *child, long request, long addr,
-		    long data)
+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;
 	}