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| author |   David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
| commit | dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch) | |
| tree | 1c63e7c2f879cd322ca785671b74b4ff796dd24c /arch/sparc/kernel/unaligned_64.c | |
| parent | wusb: timeout when waiting for ASL/PZL updates in whci-hcd (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband (diff) | |
| download | linux-dev-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.xz linux-dev-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'arch/sparc/kernel/unaligned_64.c')
| -rw-r--r-- | arch/sparc/kernel/unaligned_64.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index 203ddfad9f27..379209982a07 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -589,7 +589,6 @@ void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr unsigned long pc = regs->tpc; unsigned long tstate = regs->tstate; u32 insn; - u32 first, second; u64 value; u8 freg; int flag; @@ -601,15 +600,20 @@ void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr pc = (u32)pc; if (get_user(insn, (u32 __user *) pc) != -EFAULT) { int asi = decode_asi(insn, regs); + u32 first, second; + int err; + if ((asi > ASI_SNFL) || (asi < ASI_P)) goto daex; - if (get_user(first, (u32 __user *)sfar) || - get_user(second, (u32 __user *)(sfar + 4))) { - if (asi & 0x2) /* NF */ { - first = 0; second = 0; - } else + first = second = 0; + err = get_user(first, (u32 __user *)sfar); + if (!err) + err = get_user(second, (u32 __user *)(sfar + 4)); + if (err) { + if (!(asi & 0x2)) goto daex; + first = second = 0; } save_and_clear_fpu(); freg = ((insn >> 25) & 0x1e) | ((insn >> 20) & 0x20); |