Merge tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx into arm/fixes

arm64: soc: ZynqMP SoC fixes for v5.10-rc6

- Fix SD dll reset issue by using proper macro
- Fix PM feature checking for Xilinx Versal SoC

* tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx: (337 commits)
  firmware: xilinx: Use hash-table for api feature check
  firmware: xilinx: Fix SD DLL node reset issue
  Linux 5.10-rc4
  kvm: mmu: fix is_tdp_mmu_check when the TDP MMU is not in use
  afs: Fix afs_write_end() when called with copied == 0 [ver #3]
  ocfs2: initialize ip_next_orphan
  panic: don't dump stack twice on warn
  hugetlbfs: fix anon huge page migration race
  mm: memcontrol: fix missing wakeup polling thread
  kernel/watchdog: fix watchdog_allowed_mask not used warning
  reboot: fix overflow parsing reboot cpu number
  Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint"
  compiler.h: fix barrier_data() on clang
  mm/gup: use unpin_user_pages() in __gup_longterm_locked()
  mm/slub: fix panic in slab_alloc_node()
  mailmap: fix entry for Dmitry Baryshkov/Eremin-Solenikov
  mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit
  mm/compaction: stop isolation if too many pages are isolated and we have pages to migrate
  mm/compaction: count pages and stop correctly during page isolation
  drm/nouveau/kms/nv50-: Use atomic encoder callbacks everywhere
  ...

Link: https://lore.kernel.org/r/fd5ab967-f3cf-95fb-7947-5477ff85f97e@monstr.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 4 insertions, 8 deletions

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index c54ea6586632..77c54749f432 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -3435,24 +3435,20 @@ static int qgroup_unreserve_range(struct btrfs_inode *inode,
 {
 	struct rb_node *node;
 	struct rb_node *next;
-	struct ulist_node *entry = NULL;
+	struct ulist_node *entry;
 	int ret = 0;
 
 	node = reserved->range_changed.root.rb_node;
+	if (!node)
+		return 0;
 	while (node) {
 		entry = rb_entry(node, struct ulist_node, rb_node);
 		if (entry->val < start)
 			node = node->rb_right;
-		else if (entry)
-			node = node->rb_left;
 		else
-			break;
+			node = node->rb_left;
 	}
 
-	/* Empty changeset */
-	if (!entry)
-		return 0;
-
 	if (entry->val > start && rb_prev(&entry->rb_node))
 		entry = rb_entry(rb_prev(&entry->rb_node), struct ulist_node,
 				 rb_node);