diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 16:35:17 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 16:35:17 -0500 |
| commit | 21b4e736922f546e0f1aa7b9d6c442f309a2444a (patch) | |
| tree | e1be8645297f8ebe87445251743ebcc52081a20d /arch/i386/math-emu/reg_ld_str.c | |
| parent | 34161db6b14d984fb9b06c735b7b42f8803f6851 (diff) | |
| parent | 68380b581383c028830f79ec2670f4a193854aa6 (diff) | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus
Diffstat (limited to 'arch/i386/math-emu/reg_ld_str.c')
| -rw-r--r-- | arch/i386/math-emu/reg_ld_str.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/i386/math-emu/reg_ld_str.c b/arch/i386/math-emu/reg_ld_str.c index f06ed41d191..e976caef649 100644 --- 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); - copy_from_user(&s,_s,8); + if (copy_from_user(&s,_s,8)) + FPU_abort; 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); - copy_to_user(d, &tll, 8); + if (copy_to_user(d, &tll, 8)) + FPU_abort; 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 */ - __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; } @@ -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. */ - __copy_to_user(d, register_base+offset, other); + if (__copy_to_user(d, register_base+offset, other)) + FPU_abort; 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(); |