diff options
Diffstat (limited to 'arch/tile/lib')
| -rw-r--r-- | arch/tile/lib/usercopy_32.S | 11 | ||||
| -rw-r--r-- | arch/tile/lib/usercopy_64.S | 11 |
2 files changed, 12 insertions, 10 deletions
diff --git a/arch/tile/lib/usercopy_32.S b/arch/tile/lib/usercopy_32.S index bb4c127be6e9..1bc162224638 100644 --- a/arch/tile/lib/usercopy_32.S +++ b/arch/tile/lib/usercopy_32.S @@ -48,12 +48,13 @@ strnlen_user_fault: */ STD_ENTRY(strncpy_from_user_asm) { bz r2, 2f; move r3, r0 } -1: { lb_u r4, r1; addi r1, r1, 1; addi r2, r2, -1 } +1: { lb_u r4, r1; addi r1, r1, 1; addi r2, r2, -1 } { sb r0, r4; addi r0, r0, 1 } - bz r2, 2f - bnzt r4, 1b - addi r0, r0, -1 /* don't count the trailing NUL */ -2: { sub r0, r0, r3; jrp lr } + bz r4, 2f + bnzt r2, 1b + { sub r0, r0, r3; jrp lr } +2: addi r0, r0, -1 /* don't count the trailing NUL */ + { sub r0, r0, r3; jrp lr } STD_ENDPROC(strncpy_from_user_asm) .pushsection .fixup,"ax" strncpy_from_user_fault: diff --git a/arch/tile/lib/usercopy_64.S b/arch/tile/lib/usercopy_64.S index 0d94844eb218..b3b31a3306f8 100644 --- a/arch/tile/lib/usercopy_64.S +++ b/arch/tile/lib/usercopy_64.S @@ -48,12 +48,13 @@ strnlen_user_fault: */ STD_ENTRY(strncpy_from_user_asm) { beqz r2, 2f; move r3, r0 } -1: { ld1u r4, r1; addi r1, r1, 1; addi r2, r2, -1 } +1: { ld1u r4, r1; addi r1, r1, 1; addi r2, r2, -1 } { st1 r0, r4; addi r0, r0, 1 } - beqz r2, 2f - bnezt r4, 1b - addi r0, r0, -1 /* don't count the trailing NUL */ -2: { sub r0, r0, r3; jrp lr } + beqz r4, 2f + bnezt r2, 1b + { sub r0, r0, r3; jrp lr } +2: addi r0, r0, -1 /* don't count the trailing NUL */ + { sub r0, r0, r3; jrp lr } STD_ENDPROC(strncpy_from_user_asm) .pushsection .fixup,"ax" strncpy_from_user_fault: |