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path: root/fs/namei.c
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Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c
index a1f8bbbd58e5..89ef3178eaaa 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2190,7 +2190,12 @@ static long do_rmdir(int dfd, const char __user *pathname)
error = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto exit2;
+ error = mnt_want_write(nd.path.mnt);
+ if (error)
+ goto exit3;
error = vfs_rmdir(nd.path.dentry->d_inode, dentry);
+ mnt_drop_write(nd.path.mnt);
+exit3:
dput(dentry);
exit2:
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
@@ -2271,7 +2276,11 @@ static long do_unlinkat(int dfd, const char __user *pathname)
inode = dentry->d_inode;
if (inode)
atomic_inc(&inode->i_count);
+ error = mnt_want_write(nd.path.mnt);
+ if (error)
+ goto exit2;
error = vfs_unlink(nd.path.dentry->d_inode, dentry);
+ mnt_drop_write(nd.path.mnt);
exit2:
dput(dentry);
}