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authorJiri Kosina <jkosina@suse.cz>2022-01-10 09:56:57 +0100
committerJiri Kosina <jkosina@suse.cz>2022-01-10 09:56:57 +0100
commit3551a3ff8229e15d2a4b47b8234923bc72da65ef (patch)
treea62465753397b0268529a5d0b9ab43a8840069ad /fs/btrfs/disk-io.c
parent906095af85e8b2e53ee9f8c50b3dff365aa09df8 (diff)
parent33a5c2793451770cb6dcf0cc35c76cfd4b045513 (diff)
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Merge branch 'for-5.17/letsketch' into for-linus
- new driver to support for LetSketch device (Hans de Goede)
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 514ead6e93b6..b3f2e2232326 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1732,6 +1732,14 @@ again:
}
return root;
fail:
+ /*
+ * If our caller provided us an anonymous device, then it's his
+ * responsability to free it in case we fail. So we have to set our
+ * root's anon_dev to 0 to avoid a double free, once by btrfs_put_root()
+ * and once again by our caller.
+ */
+ if (anon_dev)
+ root->anon_dev = 0;
btrfs_put_root(root);
return ERR_PTR(ret);
}