[patch 1/1] uml: fix some ptrace functions returns values

[blaisorblade_spam@yahoo.it]

From: Jeff Dike <jdike@addtoit.com>

This patch adds ptrace_setfpregs and makes these functions return -errno on
failure.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade_spam@yahoo.it>
---

 linux-2.6.10-rc-paolo/arch/um/sys-i386/ptrace_user.c |   19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diff -puN arch/um/sys-i386/ptrace_user.c~uml-fix-ptrace-interfaces arch/um/sys-i386/ptrace_user.c
--- linux-2.6.10-rc/arch/um/sys-i386/ptrace_user.c~uml-fix-ptrace-interfaces	2004-11-24 01:06:35.525806848 +0100
+++ linux-2.6.10-rc-paolo/arch/um/sys-i386/ptrace_user.c	2004-11-24 01:06:35.528806392 +0100
@@ -17,17 +17,30 @@
 
 int ptrace_getregs(long pid, unsigned long *regs_out)
 {
-	return(ptrace(PTRACE_GETREGS, pid, 0, regs_out));
+	if(ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0)
+		return(-errno);
+	return(0);
 }
 
 int ptrace_setregs(long pid, unsigned long *regs)
 {
-	return(ptrace(PTRACE_SETREGS, pid, 0, regs));
+	if(ptrace(PTRACE_SETREGS, pid, 0, regs) < 0)
+		return(-errno);
+	return(0);
 }
 
 int ptrace_getfpregs(long pid, unsigned long *regs)
 {
-	return(ptrace(PTRACE_GETFPREGS, pid, 0, regs));
+	if(ptrace(PTRACE_GETFPREGS, pid, 0, regs) < 0)
+		return(-errno);
+	return(0);
+}
+
+int ptrace_setfpregs(long pid, unsigned long *regs)
+{
+	if(ptrace(PTRACE_SETFPREGS, pid, 0, regs) < 0)
+		return(-errno);
+	return(0);
 }
 
 static void write_debugregs(int pid, unsigned long *regs)
_