nfsd: Fix ACL null pointer deref

[pandora-kernel.git] / fs / nfsd / vfs.c

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 11e1888..e2e7914 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -508,6 +508,9 @@ set_nfsv4_acl_one(struct dentry *dentry, struct posix_acl *pacl, char *key)
        char *buf = NULL;
        int error = 0;
 
+       if (!pacl)
+               return vfs_setxattr(dentry, key, NULL, 0, 0);
+
        buflen = posix_acl_xattr_size(pacl->a_count);
        buf = kmalloc(buflen, GFP_KERNEL);
        error = -ENOMEM;