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| author | Artyom Tarasenko <atar4qemu@googlemail.com> | 2010-01-22 22:31:53 +0100 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2010-01-23 08:11:06 +0000 |
| commit | 15e7c45139c74552dccb10a82c7631a68c18170a (patch) | |
| tree | 37347127ef27cc32c7d7a01ecabfa2ca306544ed /target-sparc | |
| parent | 204c7a39d04a38af023fde0e56b3e8dfb2900782 (diff) | |
| download | qemu-15e7c45139c74552dccb10a82c7631a68c18170a.zip qemu-15e7c45139c74552dccb10a82c7631a68c18170a.tar.gz qemu-15e7c45139c74552dccb10a82c7631a68c18170a.tar.bz2 | |
sparc32 fix np dereference in do_unassigned_access
fix a potential null pointer dereference introduced in
commit 576c2cdc767ab9e2dc038fa4c99f22e53287a3de
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/op_helper.c | 3 |
1 files changed, 2 insertions, 1 deletions
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, |