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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
arch
/
arc
/
include
/
asm
/
uaccess.h
diff --git
a/kernel/arch/arc/include/asm/uaccess.h
b/kernel/arch/arc/include/asm/uaccess.h
index
d1da603
..
d4d8df7
100644
(file)
--- a/
kernel/arch/arc/include/asm/uaccess.h
+++ b/
kernel/arch/arc/include/asm/uaccess.h
@@
-83,7
+83,10
@@
"2: ;nop\n" \
" .section .fixup, \"ax\"\n" \
" .align 4\n" \
"2: ;nop\n" \
" .section .fixup, \"ax\"\n" \
" .align 4\n" \
- "3: mov %0, %3\n" \
+ "3: # return -EFAULT\n" \
+ " mov %0, %3\n" \
+ " # zero out dst ptr\n" \
+ " mov %1, 0\n" \
" j 2b\n" \
" .previous\n" \
" .section __ex_table, \"a\"\n" \
" j 2b\n" \
" .previous\n" \
" .section __ex_table, \"a\"\n" \
@@
-101,7
+104,11
@@
"2: ;nop\n" \
" .section .fixup, \"ax\"\n" \
" .align 4\n" \
"2: ;nop\n" \
" .section .fixup, \"ax\"\n" \
" .align 4\n" \
- "3: mov %0, %3\n" \
+ "3: # return -EFAULT\n" \
+ " mov %0, %3\n" \
+ " # zero out dst ptr\n" \
+ " mov %1, 0\n" \
+ " mov %R1, 0\n" \
" j 2b\n" \
" .previous\n" \
" .section __ex_table, \"a\"\n" \
" j 2b\n" \
" .previous\n" \
" .section __ex_table, \"a\"\n" \