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[Qemu-devel] Re: sparc32 fix np dereference in do_unassigned_access
From: |
Blue Swirl |
Subject: |
[Qemu-devel] Re: sparc32 fix np dereference in do_unassigned_access |
Date: |
Sat, 23 Jan 2010 08:14:30 +0000 |
Thanks, applied.
On Fri, Jan 22, 2010 at 9:31 PM, Artyom Tarasenko
<address@hidden> wrote:
> fix a potential null pointer dereference introduced in
> commit 576c2cdc767ab9e2dc038fa4c99f22e53287a3de
>
> Signed-off-by: Artyom Tarasenko <address@hidden>
> ---
> diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
> index ce8c6f1..eb4f5a4 100644
> --- a/target-sparc/op_helper.c
> +++ b/target-sparc/op_helper.c
> @@ -3761,13 +3761,14 @@ void do_unassigned_access(target_phys_addr_t addr,
> int is_write, int is_exec,
> else
> raise_exception(TT_DATA_ACCESS);
> }
> - env = saved_env;
>
> /* flush neverland mappings created during no-fault mode,
> so the sequential MMU faults report proper fault types */
> if (env->mmuregs[0] & MMU_NF) {
> tlb_flush(env, 1);
> }
> +
> + env = saved_env;
> }
> #else
> void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
>