diff options
| author | Michel Lespinasse <walken@google.com> | 2020-06-08 21:33:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-09 09:39:14 -0700 |
| commit | c1e8d7c6a7a682e1405e3e242d32fc377fd196ff (patch) | |
| tree | ef02402b77990834fbb5bdb1f146fc0393cc8987 /drivers/staging | |
| parent | 3e4e28c5a8f01ee4174d639e36ed155ade489a6f (diff) | |
mmap locking API: convert mmap_sem comments
Convert comments that reference mmap_sem to reference mmap_lock instead.
[akpm@linux-foundation.org: fix up linux-next leftovers]
[akpm@linux-foundation.org: s/lockaphore/lock/, per Vlastimil]
[akpm@linux-foundation.org: more linux-next fixups, per Michel]
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Liam Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ying Han <yinghan@google.com>
Link: http://lkml.kernel.org/r/20200520052908.204642-13-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/android/ashmem.c | 4 | ||||
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 8044510d8ec6..c05a214191da 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -555,7 +555,7 @@ static int set_name(struct ashmem_area *asma, void __user *name) /* * Holding the ashmem_mutex while doing a copy_from_user might cause - * an data abort which would try to access mmap_sem. If another + * an data abort which would try to access mmap_lock. If another * thread has invoked ashmem_mmap then it will be holding the * semaphore and will be waiting for ashmem_mutex, there by leading to * deadlock. We'll release the mutex and take the name to a local @@ -586,7 +586,7 @@ static int get_name(struct ashmem_area *asma, void __user *name) * Have a local variable to which we'll copy the content * from asma with the lock held. Later we can copy this to the user * space safely without holding any locks. So even if we proceed to - * wait for mmap_sem, it won't lead to deadlock. + * wait for mmap_lock, it won't lead to deadlock. */ char local_name[ASHMEM_NAME_LEN]; diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index a56c8f74a27b..e85a99b68f31 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2325,7 +2325,7 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma) int retval = 0; /* - * 'trylock' avoids circular dependency with current->mm->mmap_sem + * 'trylock' avoids circular dependency with current->mm->mmap_lock * and down-reading &dev->attach_lock should normally succeed without * contention unless the device is in the process of being attached * or detached. |