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Commit 8add862f authored by Al Viro's avatar Al Viro
Browse files

tegra: don't wank with d_find_alias() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 0990a97a

drivers/iommu/tegra-smmu.c

+3 −9
Original line number Diff line number Diff line
@@ -1026,15 +1026,11 @@ static ssize_t smmu_debugfs_stats_write(struct file *file, 


static int smmu_debugfs_stats_show(struct seq_file *s, void *v)

{

	struct smmu_debugfs_info *info;

	struct smmu_device *smmu;

	struct dentry *dent;

	struct smmu_debugfs_info *info = s->private;

	struct smmu_device *smmu = info->smmu;

	int i;

	const char * const stats[] = { "hit", "miss", };



	dent = d_find_alias(s->private);

	info = dent->d_inode->i_private;

	smmu = info->smmu;



	for (i = 0; i < ARRAY_SIZE(stats); i++) {

		u32 val;
@@ -1048,14 +1044,12 @@ static int smmu_debugfs_stats_show(struct seq_file *s, void *v) 
			stats[i], val, offs);

	}

	seq_printf(s, "\n");

	dput(dent);



	return 0;

}



static int smmu_debugfs_stats_open(struct inode *inode, struct file *file)

{

	return single_open(file, smmu_debugfs_stats_show, inode);

	return single_open(file, smmu_debugfs_stats_show, inode->i_private);

}



static const struct file_operations smmu_debugfs_stats_fops = {