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| author | Markus Metzger <markus.t.metzger@googlemail.com> | 2008-11-15 11:00:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-16 08:25:36 +0100 |
| commit | d1f1e9c01006b4b050e090055c75278f80c2a5c5 (patch) | |
| tree | 958114312b76246a54235811fd858a407540fd00 /arch/x86/kernel/ds.c | |
| parent | 6cd10f8db385ba547811baa5b26f672fdff232e6 (diff) | |
| download | op-kernel-dev-d1f1e9c01006b4b050e090055c75278f80c2a5c5.zip op-kernel-dev-d1f1e9c01006b4b050e090055c75278f80c2a5c5.tar.gz | |
x86, bts: fix unlock problem in ds.c
Fix a problem where ds_request() returned an error without releasing the
ds lock.
Reported-by: Stephane Eranian <eranian@gmail.com>
Signed-off-by: Markus Metzger <markus.t.metzger@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/ds.c')
| -rw-r--r-- | arch/x86/kernel/ds.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 2b69994..ac1d5b0 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -384,8 +384,9 @@ static int ds_request(struct task_struct *task, void *base, size_t size, spin_lock(&ds_lock); + error = -EPERM; if (!check_tracer(task)) - return -EPERM; + goto out_unlock; error = -ENOMEM; context = ds_alloc_context(task); |
