Btrfs: Fix typo in extent_io.c

---

Signed-off-by: Chris Mason <chris.mason@oracle.com>

2 files changed, 3 insertions, 4 deletions

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 5d2fb527fd96..36a943e51808 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1416,7 +1416,7 @@ static int end_bio_extent_writepage(struct bio *bio,
                  * to the correct offsets in the file
                  */
                 if (state && (state->end + 1 != start ||
-                    !state->state & EXTENT_WRITEBACK)) {
+                    !(state->state & EXTENT_WRITEBACK))) {
                         state = NULL;
                 }
                 spin_unlock_irqrestore(&tree->lock, flags);
@@ -1539,7 +1539,7 @@ static int end_bio_extent_readpage(struct bio *bio,
                  * to the correct offsets in the file
                  */
                 if (state && (state->end + 1 != start ||
-                    !state->state & EXTENT_WRITEBACK)) {
+                    !(state->state & EXTENT_LOCKED))) {
                         state = NULL;
                 }
                 spin_unlock_irqrestore(&tree->lock, flags);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f13b1dbc0619..44fc94fee2c4 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -364,8 +364,7 @@ int btrfs_readpage_end_io_hook(struct page *page, u64 start, u64 end,
         if (btrfs_test_opt(root, NODATASUM) ||
             btrfs_test_flag(inode, NODATASUM))
                 return 0;
-
-        if (state->start == start) {
+        if (state && state->start == start) {
                 private = state->private;
                 ret = 0;
         } else {