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Driver core patches for 4.15-rc1

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Here is the set of driver core / debugfs patches for 4.15-rc1.
 
 Not many here, mostly all are debugfs fixes to resolve some
 long-reported problems with files going away with references to them in
 userspace.  There's also some SPDX cleanups for the debugfs code, as
 well as a few other minor driver core changes for issues reported by
 people.
 
 All of these have been in linux-next for a week or more with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Merge tag 'driver-core-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core / debugfs patches for 4.15-rc1.

  Not many here, mostly all are debugfs fixes to resolve some
  long-reported problems with files going away with references to them
  in userspace. There's also some SPDX cleanups for the debugfs code, as
  well as a few other minor driver core changes for issues reported by
  people.

  All of these have been in linux-next for a week or more with no
  reported issues"

* tag 'driver-core-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: Fix device link deferred probe
  debugfs: Remove redundant license text
  debugfs: add SPDX identifiers to all debugfs files
  debugfs: defer debugfs_fsdata allocation to first usage
  debugfs: call debugfs_real_fops() only after debugfs_file_get()
  debugfs: purge obsolete SRCU based removal protection
  IB/hfi1: convert to debugfs_file_get() and -put()
  debugfs: convert to debugfs_file_get() and -put()
  debugfs: debugfs_real_fops(): drop __must_hold sparse annotation
  debugfs: implement per-file removal protection
  debugfs: add support for more elaborate ->d_fsdata
  driver core: Move device_links_purge() after bus_remove_device()
  arch_topology: Fix section miss match warning due to free_raw_capacity()
  driver-core: pr_err() strings should end with newlines
This commit is contained in:
Linus Torvalds 2017-11-16 08:55:30 -08:00
commit b9743042b3
10 changed files with 217 additions and 166 deletions
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20
drivers/infiniband/hw/hfi1/debugfs.c
View file

@ -71,13 +71,13 @@ static ssize_t hfi1_seq_read(
loff_t *ppos)
{
struct dentry *d = file->f_path.dentry;
int srcu_idx;
ssize_t r;
r = debugfs_use_file_start(d, &srcu_idx);
if (likely(!r))
r = seq_read(file, buf, size, ppos);
debugfs_use_file_finish(srcu_idx);
r = debugfs_file_get(d);
if (unlikely(r))
return r;
r = seq_read(file, buf, size, ppos);
debugfs_file_put(d);
return r;
}
@ -87,13 +87,13 @@ static loff_t hfi1_seq_lseek(
int whence)
{
struct dentry *d = file->f_path.dentry;
int srcu_idx;
loff_t r;
r = debugfs_use_file_start(d, &srcu_idx);
if (likely(!r))
r = seq_lseek(file, offset, whence);
debugfs_use_file_finish(srcu_idx);
r = debugfs_file_get(d);
if (unlikely(r))
return r;
r = seq_lseek(file, offset, whence);
debugfs_file_put(d);
return r;
}