Commit a19fc3cd authored Oct 31, 2017 by Nicolai Stange Committed by Raghavendra Rao Ananta Aug 13, 2018

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.

Change-Id: Id8129d3c28135ad24efea95de956ecbdea81addc
Fixes: 49d200de ("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>
Git-commit: 7cda7b8f97da9382bb945d541a85cde58d5dac27
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>

parent 2556cfd8

drivers/infiniband/hw/hfi1/debugfs.c

+10 −10

Original line number	Diff line number	Diff line
		@@ -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 = debugfs_file_get(d);
		if (unlikely(r))
		return r;
		r = seq_read(file, buf, size, ppos);
		debugfs_use_file_finish(srcu_idx);
		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 = debugfs_file_get(d);
		if (unlikely(r))
		return r;
		r = seq_lseek(file, offset, whence);
		debugfs_use_file_finish(srcu_idx);
		debugfs_file_put(d);
		return r;
		}