From: Al Viro <v...@zeniv.linux.org.uk>
dev is always zero, dir was only used to get its ->i_sb, which is
equal to ->d_sb of dentry...
Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
fs/debugfs/inode.c | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index c69e00d69ff1..bc02e2096977 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -70,23 +70,18 @@ static struct inode *debugfs_get_inode(struct super_block
*sb, umode_t mode, dev
}
/* SMP-safe */
-static int debugfs_mknod(struct inode *dir, struct dentry *dentry,
- umode_t mode, dev_t dev, void *data,
+static int debugfs_mknod(struct dentry *dentry,
+ umode_t mode, void *data,
const struct file_operations *fops)
{
struct inode *inode;
- int error = -EPERM;
- if (dentry->d_inode)
- return -EEXIST;
-
- inode = debugfs_get_inode(dir->i_sb, mode, dev, data, fops);
- if (inode) {
- d_instantiate(dentry, inode);
- dget(dentry);
- error = 0;
- }
- return error;
+ inode = debugfs_get_inode(dentry->d_sb, mode, 0, data, fops);
+ if (unlikely(!inode))
+ return -EPERM;
+ d_instantiate(dentry, inode);
+ dget(dentry);
+ return 0;
}
static int debugfs_mkdir(struct dentry *dentry, umode_t mode)
@@ -95,7 +90,7 @@ static int debugfs_mkdir(struct dentry *dentry, umode_t mode)
int res;
mode = (mode & (S_IRWXUGO | S_ISVTX)) | S_IFDIR;
- res = debugfs_mknod(dir, dentry, mode, 0, NULL, NULL);
+ res = debugfs_mknod(dentry, mode, NULL, NULL);
if (!res) {
inc_nlink(dir);
fsnotify_mkdir(dir, dentry);
@@ -110,7 +105,7 @@ static int debugfs_create(struct dentry *dentry, umode_t
mode,
int res;
mode = (mode & S_IALLUGO) | S_IFREG;
- res = debugfs_mknod(dir, dentry, mode, 0, data, fops);
+ res = debugfs_mknod(dentry, mode, data, fops);
if (!res)
fsnotify_create(dir, dentry);
return res;
@@ -458,8 +453,7 @@ struct dentry *debugfs_create_symlink(const char *name,
struct dentry *parent,
return NULL;
}
- error = debugfs_mknod(dentry->d_parent->d_inode, dentry,
- S_IFLNK | S_IRWXUGO, 0, link, NULL);
+ error = debugfs_mknod(dentry, S_IFLNK | S_IRWXUGO, link, NULL);
if (error)
kfree(link);
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
