aboutsummaryrefslogtreecommitdiffstats
path: root/fs/9p
diff options
context:
space:
mode:
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/vfs_inode.c41
-rw-r--r--fs/9p/vfs_super.c3
2 files changed, 3 insertions, 41 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 18f74ec4dce9..9d03d1ebca6f 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1001,44 +1001,6 @@ done:
1001} 1001}
1002 1002
1003/** 1003/**
1004 * v9fs_vfs_readlink - read a symlink's location
1005 * @dentry: dentry for symlink
1006 * @buffer: buffer to load symlink location into
1007 * @buflen: length of buffer
1008 *
1009 */
1010
1011static int v9fs_vfs_readlink(struct dentry *dentry, char __user * buffer,
1012 int buflen)
1013{
1014 int retval;
1015 int ret;
1016 char *link = __getname();
1017
1018 if (unlikely(!link))
1019 return -ENOMEM;
1020
1021 if (buflen > PATH_MAX)
1022 buflen = PATH_MAX;
1023
1024 P9_DPRINTK(P9_DEBUG_VFS, " dentry: %s (%p)\n", dentry->d_name.name,
1025 dentry);
1026
1027 retval = v9fs_readlink(dentry, link, buflen);
1028
1029 if (retval > 0) {
1030 if ((ret = copy_to_user(buffer, link, retval)) != 0) {
1031 P9_DPRINTK(P9_DEBUG_ERROR,
1032 "problem copying to user: %d\n", ret);
1033 retval = ret;
1034 }
1035 }
1036
1037 __putname(link);
1038 return retval;
1039}
1040
1041/**
1042 * v9fs_vfs_follow_link - follow a symlink path 1004 * v9fs_vfs_follow_link - follow a symlink path
1043 * @dentry: dentry for symlink 1005 * @dentry: dentry for symlink
1044 * @nd: nameidata 1006 * @nd: nameidata
@@ -1230,7 +1192,6 @@ static const struct inode_operations v9fs_dir_inode_operations_ext = {
1230 .rmdir = v9fs_vfs_rmdir, 1192 .rmdir = v9fs_vfs_rmdir,
1231 .mknod = v9fs_vfs_mknod, 1193 .mknod = v9fs_vfs_mknod,
1232 .rename = v9fs_vfs_rename, 1194 .rename = v9fs_vfs_rename,
1233 .readlink = v9fs_vfs_readlink,
1234 .getattr = v9fs_vfs_getattr, 1195 .getattr = v9fs_vfs_getattr,
1235 .setattr = v9fs_vfs_setattr, 1196 .setattr = v9fs_vfs_setattr,
1236}; 1197};
@@ -1253,7 +1214,7 @@ static const struct inode_operations v9fs_file_inode_operations = {
1253}; 1214};
1254 1215
1255static const struct inode_operations v9fs_symlink_inode_operations = { 1216static const struct inode_operations v9fs_symlink_inode_operations = {
1256 .readlink = v9fs_vfs_readlink, 1217 .readlink = generic_readlink,
1257 .follow_link = v9fs_vfs_follow_link, 1218 .follow_link = v9fs_vfs_follow_link,
1258 .put_link = v9fs_vfs_put_link, 1219 .put_link = v9fs_vfs_put_link,
1259 .getattr = v9fs_vfs_getattr, 1220 .getattr = v9fs_vfs_getattr,
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 14a86448572c..69357c0d9899 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -188,7 +188,8 @@ static void v9fs_kill_super(struct super_block *s)
188 188
189 P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s); 189 P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s);
190 190
191 v9fs_dentry_release(s->s_root); /* clunk root */ 191 if (s->s_root)
192 v9fs_dentry_release(s->s_root); /* clunk root */
192 193
193 kill_anon_super(s); 194 kill_anon_super(s);
194 195