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fedora core 6 1.2949 + vserver 2.2.0
[linux-2.6.git]
/
arch
/
i386
/
math-emu
/
reg_ld_str.c
diff --git
a/arch/i386/math-emu/reg_ld_str.c
b/arch/i386/math-emu/reg_ld_str.c
index
f06ed41
..
e976cae
100644
(file)
--- a/
arch/i386/math-emu/reg_ld_str.c
+++ b/
arch/i386/math-emu/reg_ld_str.c
@@
-244,7
+244,8
@@
int FPU_load_int64(long long __user *_s)
RE_ENTRANT_CHECK_OFF;
FPU_access_ok(VERIFY_READ, _s, 8);
RE_ENTRANT_CHECK_OFF;
FPU_access_ok(VERIFY_READ, _s, 8);
- copy_from_user(&s,_s,8);
+ if (copy_from_user(&s,_s,8))
+ FPU_abort;
RE_ENTRANT_CHECK_ON;
if (s == 0)
RE_ENTRANT_CHECK_ON;
if (s == 0)
@@
-907,7
+908,8
@@
int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag, long long __user *d)
RE_ENTRANT_CHECK_OFF;
FPU_access_ok(VERIFY_WRITE,d,8);
RE_ENTRANT_CHECK_OFF;
FPU_access_ok(VERIFY_WRITE,d,8);
- copy_to_user(d, &tll, 8);
+ if (copy_to_user(d, &tll, 8))
+ FPU_abort;
RE_ENTRANT_CHECK_ON;
return 1;
RE_ENTRANT_CHECK_ON;
return 1;
@@
-1336,7
+1338,8
@@
u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d)
I387.soft.fcs &= ~0xf8000000;
I387.soft.fos |= 0xffff0000;
#endif /* PECULIAR_486 */
I387.soft.fcs &= ~0xf8000000;
I387.soft.fos |= 0xffff0000;
#endif /* PECULIAR_486 */
- __copy_to_user(d, &control_word, 7*4);
+ if (__copy_to_user(d, &control_word, 7*4))
+ FPU_abort;
RE_ENTRANT_CHECK_ON;
d += 0x1c;
}
RE_ENTRANT_CHECK_ON;
d += 0x1c;
}
@@
-1359,9
+1362,11
@@
void fsave(fpu_addr_modes addr_modes, u_char __user *data_address)
FPU_access_ok(VERIFY_WRITE,d,80);
/* Copy all registers in stack order. */
FPU_access_ok(VERIFY_WRITE,d,80);
/* Copy all registers in stack order. */
- __copy_to_user(d, register_base+offset, other);
+ if (__copy_to_user(d, register_base+offset, other))
+ FPU_abort;
if ( offset )
if ( offset )
- __copy_to_user(d+other, register_base, offset);
+ if (__copy_to_user(d+other, register_base, offset))
+ FPU_abort;
RE_ENTRANT_CHECK_ON;
finit();
RE_ENTRANT_CHECK_ON;
finit();