Merge tag 'please-pull-dhowells-uapi' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / fs / 9p / v9fs.c

diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 392c5dac1981be79b4aff040e552b48c78c5751f..d934f04e77368e00dc76d4a54720cff0758d3a58 100644 (file)
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -184,10 +184,20 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
                        v9ses->afid = option;
                        break;
                case Opt_uname:
-                       match_strlcpy(v9ses->uname, &args[0], PATH_MAX);
+                       kfree(v9ses->uname);
+                       v9ses->uname = match_strdup(&args[0]);
+                       if (!v9ses->uname) {
+                               ret = -ENOMEM;
+                               goto free_and_return;
+                       }
                        break;
                case Opt_remotename:
-                       match_strlcpy(v9ses->aname, &args[0], PATH_MAX);
+                       kfree(v9ses->aname);
+                       v9ses->aname = match_strdup(&args[0]);
+                       if (!v9ses->aname) {
+                               ret = -ENOMEM;
+                               goto free_and_return;
+                       }
                        break;
                case Opt_nodevmap:
                        v9ses->nodev = 1;
@@ -287,21 +297,21 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
        struct p9_fid *fid;
        int rc;
 
-       v9ses->uname = __getname();
+       v9ses->uname = kstrdup(V9FS_DEFUSER, GFP_KERNEL);
        if (!v9ses->uname)
                return ERR_PTR(-ENOMEM);
 
-       v9ses->aname = __getname();
+       v9ses->aname = kstrdup(V9FS_DEFANAME, GFP_KERNEL);
        if (!v9ses->aname) {
-               __putname(v9ses->uname);
+               kfree(v9ses->uname);
                return ERR_PTR(-ENOMEM);
        }
        init_rwsem(&v9ses->rename_sem);
 
        rc = bdi_setup_and_register(&v9ses->bdi, "9p", BDI_CAP_MAP_COPY);
        if (rc) {
-               __putname(v9ses->aname);
-               __putname(v9ses->uname);
+               kfree(v9ses->aname);
+               kfree(v9ses->uname);
                return ERR_PTR(rc);
        }
 
@@ -309,8 +319,6 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
        list_add(&v9ses->slist, &v9fs_sessionlist);
        spin_unlock(&v9fs_sessionlist_lock);
 
-       strcpy(v9ses->uname, V9FS_DEFUSER);
-       strcpy(v9ses->aname, V9FS_DEFANAME);
        v9ses->uid = ~0;
        v9ses->dfltuid = V9FS_DEFUID;
        v9ses->dfltgid = V9FS_DEFGID;
@@ -412,8 +420,8 @@ void v9fs_session_close(struct v9fs_session_info *v9ses)
                kfree(v9ses->cachetag);
        }
 #endif
-       __putname(v9ses->uname);
-       __putname(v9ses->aname);
+       kfree(v9ses->uname);
+       kfree(v9ses->aname);
 
        bdi_destroy(&v9ses->bdi);