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-rw-r--r--fs/namei.c41
1 files changed, 18 insertions, 23 deletions
diff --git a/fs/namei.c b/fs/namei.c
index a856e7f..aa30d19 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1797,8 +1797,6 @@ static int path_init(int dfd, const char *name, unsigned int flags,
struct nameidata *nd, struct file **fp)
{
int retval = 0;
- int fput_needed;
- struct file *file;
nd->last_type = LAST_ROOT; /* if there are only slashes... */
nd->flags = flags | LOOKUP_JUMPED;
@@ -1850,44 +1848,41 @@ static int path_init(int dfd, const char *name, unsigned int flags,
get_fs_pwd(current->fs, &nd->path);
}
} else {
+ struct fd f = fdget_raw(dfd);
struct dentry *dentry;
- file = fget_raw_light(dfd, &fput_needed);
- retval = -EBADF;
- if (!file)
- goto out_fail;
+ if (!f.file)
+ return -EBADF;
- dentry = file->f_path.dentry;
+ dentry = f.file->f_path.dentry;
if (*name) {
- retval = -ENOTDIR;
- if (!S_ISDIR(dentry->d_inode->i_mode))
- goto fput_fail;
+ if (!S_ISDIR(dentry->d_inode->i_mode)) {
+ fdput(f);
+ return -ENOTDIR;
+ }
retval = inode_permission(dentry->d_inode, MAY_EXEC);
- if (retval)
- goto fput_fail;
+ if (retval) {
+ fdput(f);
+ return retval;
+ }
}
- nd->path = file->f_path;
+ nd->path = f.file->f_path;
if (flags & LOOKUP_RCU) {
- if (fput_needed)
- *fp = file;
+ if (f.need_put)
+ *fp = f.file;
nd->seq = __read_seqcount_begin(&nd->path.dentry->d_seq);
lock_rcu_walk();
} else {
- path_get(&file->f_path);
- fput_light(file, fput_needed);
+ path_get(&nd->path);
+ fdput(f);
}
}
nd->inode = nd->path.dentry->d_inode;
return 0;
-
-fput_fail:
- fput_light(file, fput_needed);
-out_fail:
- return retval;
}
static inline int lookup_last(struct nameidata *nd, struct path *path)
@@ -3971,7 +3966,7 @@ EXPORT_SYMBOL(user_path_at);
EXPORT_SYMBOL(follow_down_one);
EXPORT_SYMBOL(follow_down);
EXPORT_SYMBOL(follow_up);
-EXPORT_SYMBOL(get_write_access); /* binfmt_aout */
+EXPORT_SYMBOL(get_write_access); /* nfsd */
EXPORT_SYMBOL(getname);
EXPORT_SYMBOL(lock_rename);
EXPORT_SYMBOL(lookup_one_len);
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