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[Qemu-devel] sparc32 fix np dereference in do_unassigned_access
From: |
Artyom Tarasenko |
Subject: |
[Qemu-devel] sparc32 fix np dereference in do_unassigned_access |
Date: |
Fri, 22 Jan 2010 22:31:53 +0100 |
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,
- [Qemu-devel] sparc32 fix np dereference in do_unassigned_access,
Artyom Tarasenko <=