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Diffstat (limited to 'fs/hppfs/hppfs.c')
-rw-r--r--fs/hppfs/hppfs.c44
1 files changed, 20 insertions, 24 deletions
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index cd3e38972c86..4338ff32959d 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -69,7 +69,7 @@ static char *dentry_name(struct dentry *dentry, int extra)
struct dentry *parent;
char *root, *name;
const char *seg_name;
- int len, seg_len;
+ int len, seg_len, root_len;
len = 0;
parent = dentry;
@@ -81,7 +81,8 @@ static char *dentry_name(struct dentry *dentry, int extra)
}
root = "proc";
- len += strlen(root);
+ root_len = strlen(root);
+ len += root_len;
name = kmalloc(len + extra + 1, GFP_KERNEL);
if (name == NULL)
return NULL;
@@ -91,7 +92,7 @@ static char *dentry_name(struct dentry *dentry, int extra)
while (parent->d_parent != parent) {
if (is_pid(parent)) {
seg_name = "pid";
- seg_len = strlen("pid");
+ seg_len = strlen(seg_name);
}
else {
seg_name = parent->d_name.name;
@@ -100,10 +101,10 @@ static char *dentry_name(struct dentry *dentry, int extra)
len -= seg_len + 1;
name[len] = '/';
- strncpy(&name[len + 1], seg_name, seg_len);
+ memcpy(&name[len + 1], seg_name, seg_len);
parent = parent->d_parent;
}
- strncpy(name, root, strlen(root));
+ memcpy(name, root, root_len);
return name;
}
@@ -542,8 +543,8 @@ static const struct file_operations hppfs_file_fops = {
};
struct hppfs_dirent {
- void *vfs_dirent;
- filldir_t filldir;
+ struct dir_context ctx;
+ struct dir_context *caller;
struct dentry *dentry;
};
@@ -555,34 +556,29 @@ static int hppfs_filldir(void *d, const char *name, int size,
if (file_removed(dirent->dentry, name))
return 0;
- return (*dirent->filldir)(dirent->vfs_dirent, name, size, offset,
- inode, type);
+ dirent->caller->pos = dirent->ctx.pos;
+ return !dir_emit(dirent->caller, name, size, inode, type);
}
-static int hppfs_readdir(struct file *file, void *ent, filldir_t filldir)
+static int hppfs_readdir(struct file *file, struct dir_context *ctx)
{
struct hppfs_private *data = file->private_data;
struct file *proc_file = data->proc_file;
- int (*readdir)(struct file *, void *, filldir_t);
- struct hppfs_dirent dirent = ((struct hppfs_dirent)
- { .vfs_dirent = ent,
- .filldir = filldir,
- .dentry = file->f_path.dentry
- });
+ struct hppfs_dirent d = {
+ .ctx.actor = hppfs_filldir,
+ .caller = ctx,
+ .dentry = file->f_path.dentry
+ };
int err;
-
- readdir = file_inode(proc_file)->i_fop->readdir;
-
- proc_file->f_pos = file->f_pos;
- err = (*readdir)(proc_file, &dirent, hppfs_filldir);
- file->f_pos = proc_file->f_pos;
-
+ proc_file->f_pos = ctx->pos;
+ err = iterate_dir(proc_file, &d.ctx);
+ ctx->pos = d.ctx.pos;
return err;
}
static const struct file_operations hppfs_dir_fops = {
.owner = NULL,
- .readdir = hppfs_readdir,
+ .iterate = hppfs_readdir,
.open = hppfs_dir_open,
.llseek = default_llseek,
.release = hppfs_release,