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char/misc fix for 4.13-rc7

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Here is a single misc driver fix for 4.13-rc7.  It resolves a reported
 problem in the Android binder driver due to previous patches in 4.13-rc.
 
 It's been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fix from Greg KH:
 "Here is a single misc driver fix for 4.13-rc7. It resolves a reported
  problem in the Android binder driver due to previous patches in
  4.13-rc.

  It's been in linux-next with no reported issues"

* tag 'char-misc-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  ANDROID: binder: fix proc->tsk check.
This commit is contained in:
Linus Torvalds 2017-08-27 17:08:37 -07:00
commit 80f73b2da0
1 changed files with 1 additions and 1 deletions
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2
drivers/android/binder.c
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@ -3362,7 +3362,7 @@ 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)