diff options
| author | Martijn Coenen <maco@android.com> | 2017-07-28 13:56:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-30 10:19:26 +0200 |
| commit | 9dac44d5d4b0a7fffe04ad505e0a082e900ad767 (patch) | |
| tree | 61da52c3c575c4e4c4de342e37d61d42611e3b04 /drivers | |
| parent | 1792d6c17cb282fd8e5cd197a8b33cb78484eb6a (diff) | |
ANDROID: binder: fix proc->tsk check.
commit b2a6d1b999a4c13e5997bb864694e77172d45250 upstream.
Commit c4ea41ba195d ("binder: use group leader instead of open thread")'
was incomplete and didn't update a check in binder_mmap(), causing all
mmap() calls into the binder driver to fail.
Signed-off-by: Martijn Coenen <maco@android.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/android/binder.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 74da4821b8d6..5531f020e561 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2869,7 +2869,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) const char *failure_string; struct binder_buffer *buffer; - if (proc->tsk != current) + if (proc->tsk != current->group_leader) return -EINVAL; if ((vma->vm_end - vma->vm_start) > SZ_4M) |