[PATCH] uml: fix handling of no fpx_regs
Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Fix the error path, which is triggered when the processor misses the fpx
regs (i.e. the "fxsr" cpuinfo feature). For instance by VIA C3 Samuel2.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index 148645b..9a0ad09 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -105,14 +105,15 @@
panic("check_ptrace : PTRACE_GETREGS failed, errno = %d",
err);
+ errno = 0;
err = ptrace(PTRACE_GETFPXREGS, pid, 0, exec_fpx_regs);
if(!err)
return;
+ if(errno != EIO)
+ panic("check_ptrace : PTRACE_GETFPXREGS failed, errno = %d",
+ errno);
have_fpx_regs = 0;
- if(err != EIO)
- panic("check_ptrace : PTRACE_GETFPXREGS failed, errno = %d",
- err);
err = ptrace(PTRACE_GETFPREGS, pid, 0, exec_fp_regs);
if(err)