[patch] btrfs scrub: handle -ENOMEM from init_ipath()

[Dan Carpenter]

init_ipath() can return an ERR_PTR(-ENOMEM).

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index ed11d38..b72ee47 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -256,6 +256,11 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, 
u64 root, void *ctx)
        btrfs_release_path(swarn->path);
 
        ipath = init_ipath(4096, local_root, swarn->path);
+       if (IS_ERR(ipath)) {
+               ret = PTR_ERR(ipath);
+               ipath = NULL;
+               goto err;
+       }
        ret = paths_from_inode(inum, ipath);
 
        if (ret < 0)
--
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