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sparc32 fix np dereference in do_unassigned_access

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fix a potential null pointer dereference introduced in
commit	576c2cdc76

Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Artyom Tarasenko 2010-01-22 22:31:53 +01:00 committed by Blue Swirl
parent 204c7a39d0
commit 15e7c45139
1 changed files with 2 additions and 1 deletions
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3
target-sparc/op_helper.c
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@ -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,