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authorIngo Molnar <mingo@kernel.org>2020-11-27 11:09:57 +0100
committerIngo Molnar <mingo@kernel.org>2020-11-27 11:10:50 +0100
commita787bdaff83a085288b6fc607afb4bb648da3cc9 (patch)
treeec389c1494ef4790ea90f65c4f86e523caf325d0 /fs/btrfs/file.c
parent2914b0ba61a9d253535e51af16c7122a8148995d (diff)
parent85a2c56cb4454c73f56d3099d96942e7919b292f (diff)
Merge branch 'linus' into sched/core, to resolve semantic conflict
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 0ff659455b1e..87355a38a654 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3628,7 +3628,8 @@ static ssize_t btrfs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
inode_lock_shared(inode);
ret = btrfs_direct_IO(iocb, to);
inode_unlock_shared(inode);
- if (ret < 0)
+ if (ret < 0 || !iov_iter_count(to) ||
+ iocb->ki_pos >= i_size_read(file_inode(iocb->ki_filp)))
return ret;
}