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authorDave Chiluk <chiluk@canonical.com>2013-05-28 16:06:08 -0500
committerBen Hutchings <ben@decadent.org.uk>2013-06-29 04:06:44 +0100
commit21544884d7d5f8890314271c158926ca0de43719 (patch)
parent46a000571be614e1b69eaacfc28e79e94393f1d5 (diff)
ncpfs: fix rmdir returns Device or resource busy
commit 698b8223631472bf982ed570b0812faa61955683 upstream. 1d2ef5901483004d74947bbf78d5146c24038fe7 caused a regression in ncpfs such that directories could no longer be removed. This was because ncp_rmdir checked to see if a dentry could be unhashed before allowing it to be removed. Since 1d2ef5901483004d74947bbf78d5146c24038fe7 introduced a change that incremented dentry->d_count causing it to always be greater than 1 unhash would always fail. Thus causing the error path in ncp_rmdir to always be taken. Removing this error path is safe as unhashing is still accomplished by calls to dput from vfs_rmdir. Signed-off-by: Dave Chiluk <chiluk@canonical.com> Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
1 files changed, 0 insertions, 9 deletions
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 9c51f621e901..844bd64807d4 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -1033,15 +1033,6 @@ static int ncp_rmdir(struct inode *dir, struct dentry *dentry)
DPRINTK("ncp_rmdir: removing %s/%s\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
- /*
- * fail with EBUSY if there are still references to this
- * directory.
- */
- dentry_unhash(dentry);
- error = -EBUSY;
- if (!d_unhashed(dentry))
- goto out;
len = sizeof(__name);
error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
dentry->d_name.len, !ncp_preserve_case(dir));