x86/fpu: Simplify __copy_xstate_to_kernel() return values
authorIngo Molnar <mingo@kernel.org>
Sat, 23 Sep 2017 12:59:53 +0000 (14:59 +0200)
committerIngo Molnar <mingo@kernel.org>
Sun, 24 Sep 2017 11:04:32 +0000 (13:04 +0200)
commit8c0817f4a3188ac5485ce14f96f12a175800b881
tree029c316c467d465cbb303587af39329da31a7a89
parent6ff15f8db7eaf29ef5ead6afbec9b25485fe8703
x86/fpu: Simplify __copy_xstate_to_kernel() return values

__copy_xstate_to_kernel() can only return 0 (because kernel copies cannot fail),
simplify the code throughout.

No change in functionality.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>
Link: http://lkml.kernel.org/r/20170923130016.21448-11-mingo@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/fpu/xstate.c