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IB/hfi1: convert to debugfs_file_get() and -put() 

Convert all calls to the now obsolete debugfs_use_file_start() and
debugfs_use_file_finish() to the new debugfs_file_get() and
debugfs_file_put() API.

Fixes: 49d200deaa ("debugfs: prevent access to removed files' private data")
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicolai Stange 2017-10-31 00:15:51 +01:00 committed by Greg Kroah-Hartman
parent 69d29f9e6a
commit 7cda7b8f97
1 changed files with 10 additions and 10 deletions
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20
drivers/infiniband/hw/hfi1/debugfs.c
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@ -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;
}