diff options
Diffstat (limited to 'arch/alpha/lib/copy_user.S')
| -rw-r--r-- | arch/alpha/lib/copy_user.S | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/arch/alpha/lib/copy_user.S b/arch/alpha/lib/copy_user.S index 6f3fab9eb434..509f62b65311 100644 --- a/arch/alpha/lib/copy_user.S +++ b/arch/alpha/lib/copy_user.S @@ -26,6 +26,8 @@ * $1,$2,$3,$4,$5,$6,$7 */ +#include <asm/export.h> + /* Allow an exception for an insn; exit if we get one. */ #define EXI(x,y...) \ 99: x,##y; \ @@ -124,22 +126,9 @@ $65: bis $31,$31,$0 $41: $35: -$exitout: - ret $31,($28),1 - $exitin: - /* A stupid byte-by-byte zeroing of the rest of the output - buffer. This cures security holes by never leaving - random kernel data around to be copied elsewhere. */ - - mov $0,$1 -$101: - EXO ( ldq_u $2,0($6) ) - subq $1,1,$1 - mskbl $2,$6,$2 - EXO ( stq_u $2,0($6) ) - addq $6,1,$6 - bgt $1,$101 +$exitout: ret $31,($28),1 .end __copy_user +EXPORT_SYMBOL(__copy_user) |