ath6kl: Fix invalid pointer access on fuzz testing with AP mode

[cascardo/linux.git] / fs / btrfs / super.c

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index f0857e0..8eb6191 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -51,7 +51,6 @@
 #include "print-tree.h"
 #include "xattr.h"
 #include "volumes.h"
-#include "version.h"
 #include "export.h"
 #include "compression.h"
 #include "rcu-string.h"
@@ -266,6 +265,9 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
                return;
        }
        ACCESS_ONCE(trans->transaction->aborted) = errno;
+       /* Wake up anybody who may be waiting on this transaction */
+       wake_up(&root->fs_info->transaction_wait);
+       wake_up(&root->fs_info->transaction_blocked_wait);
        __btrfs_std_error(root->fs_info, function, line, errno, NULL);
 }
 /*
@@ -776,9 +778,6 @@ find_root:
        if (IS_ERR(new_root))
                return ERR_CAST(new_root);
 
-       if (btrfs_root_refs(&new_root->root_item) == 0)
-               return ERR_PTR(-ENOENT);
-
        dir_id = btrfs_root_dirid(&new_root->root_item);
 setup_root:
        location.objectid = dir_id;
@@ -866,7 +865,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
                return 0;
        }
 
-       btrfs_wait_ordered_extents(root, 1);
+       btrfs_wait_all_ordered_extents(fs_info, 1);
 
        trans = btrfs_attach_transaction_barrier(root);
        if (IS_ERR(trans)) {
@@ -1685,6 +1684,18 @@ static void btrfs_interface_exit(void)
                printk(KERN_INFO "btrfs: misc_deregister failed for control device\n");
 }
 
+static void btrfs_print_info(void)
+{
+       printk(KERN_INFO "Btrfs loaded"
+#ifdef CONFIG_BTRFS_DEBUG
+                       ", debug=on"
+#endif
+#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
+                       ", integrity-checker=on"
+#endif
+                       "\n");
+}
+
 static int __init init_btrfs_fs(void)
 {
        int err;
@@ -1733,11 +1744,9 @@ static int __init init_btrfs_fs(void)
 
        btrfs_init_lockdep();
 
-#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+       btrfs_print_info();
        btrfs_test_free_space_cache();
-#endif
 
-       printk(KERN_INFO "%s loaded\n", BTRFS_BUILD_VERSION);
        return 0;
 
 unregister_ioctl: