ncpfs: use list_for_each_entry() for d_subdirs walk
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 26 Sep 2014 03:57:58 +0000 (23:57 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Thu, 9 Oct 2014 06:39:16 +0000 (02:39 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/ncpfs/dir.c
fs/ncpfs/ncplib_kernel.h

index 08b8ea8c353edaf4966fe0f385e1cc22691851dd..314e7add99b89eef2c7a881da7526393687d23a2 100644 (file)
@@ -388,7 +388,6 @@ static struct dentry *
 ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
 {
        struct dentry *dent = dentry;
-       struct list_head *next;
 
        if (d_validate(dent, parent)) {
                if (dent->d_name.len <= NCP_MAXPATHLEN &&
@@ -404,9 +403,7 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
 
        /* If a pointer is invalid, we search the dentry. */
        spin_lock(&parent->d_lock);
-       next = parent->d_subdirs.next;
-       while (next != &parent->d_subdirs) {
-               dent = list_entry(next, struct dentry, d_u.d_child);
+       list_for_each_entry(dent, &parent->d_subdirs, d_u.d_child) {
                if ((unsigned long)dent->d_fsdata == fpos) {
                        if (dent->d_inode)
                                dget(dent);
@@ -415,7 +412,6 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
                        spin_unlock(&parent->d_lock);
                        goto out;
                }
-               next = next->next;
        }
        spin_unlock(&parent->d_lock);
        return NULL;
index 32c06587351a138f34b09955802ad397c5b6a5f3..52cb19d66ecbbb328867134c3639383e1a7ac146 100644 (file)
@@ -188,20 +188,14 @@ static inline void
 ncp_renew_dentries(struct dentry *parent)
 {
        struct ncp_server *server = NCP_SERVER(parent->d_inode);
-       struct list_head *next;
        struct dentry *dentry;
 
        spin_lock(&parent->d_lock);
-       next = parent->d_subdirs.next;
-       while (next != &parent->d_subdirs) {
-               dentry = list_entry(next, struct dentry, d_u.d_child);
-
+       list_for_each_entry(dentry, &parent->d_subdirs, d_u.d_child) {
                if (dentry->d_fsdata == NULL)
                        ncp_age_dentry(server, dentry);
                else
                        ncp_new_dentry(dentry);
-
-               next = next->next;
        }
        spin_unlock(&parent->d_lock);
 }
@@ -210,16 +204,12 @@ static inline void
 ncp_invalidate_dircache_entries(struct dentry *parent)
 {
        struct ncp_server *server = NCP_SERVER(parent->d_inode);
-       struct list_head *next;
        struct dentry *dentry;
 
        spin_lock(&parent->d_lock);
-       next = parent->d_subdirs.next;
-       while (next != &parent->d_subdirs) {
-               dentry = list_entry(next, struct dentry, d_u.d_child);
+       list_for_each_entry(dentry, &parent->d_subdirs, d_u.d_child) {
                dentry->d_fsdata = NULL;
                ncp_age_dentry(server, dentry);
-               next = next->next;
        }
        spin_unlock(&parent->d_lock);
 }