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authorAl Viro <viro@zeniv.linux.org.uk>2016-09-10 16:50:00 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-09-15 19:51:56 -0400
commit4855bd255f9fb429d296dc3c620f1b563d20353e (patch)
tree3efb0a7b31da80ea65917bd7b5d8832576269bc3 /arch/arm64/lib
parent91344493b7da9487a8dbc1109d7486e51c8e5235 (diff)
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arm64: don't zero in __copy_from_user{,_inatomic}
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm64/lib')
-rw-r--r--arch/arm64/lib/copy_from_user.S7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S
index 0b90497d4424..4fd67ea03bb0 100644
--- a/arch/arm64/lib/copy_from_user.S
+++ b/arch/arm64/lib/copy_from_user.S
@@ -79,11 +79,6 @@ ENDPROC(__arch_copy_from_user)
.section .fixup,"ax"
.align 2
-9998:
- sub x0, end, dst
-9999:
- strb wzr, [dst], #1 // zero remaining buffer space
- cmp dst, end
- b.lo 9999b
+9998: sub x0, end, dst // bytes not copied
ret
.previous