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authorBrian Behlendorf <[email protected]>2015-08-18 11:20:22 -0700
committerBrian Behlendorf <[email protected]>2015-08-19 14:32:50 -0700
commitff9b1d07256c57b607cc6ad3448c1fb2487305d6 (patch)
tree26a43ff28da849d0867e2a64f2e2bbe001c0e85e /module/zfs
parent9f5ba90f9fb0aa39de35afaf6e9f385c4ddd8865 (diff)
Handle zap_lookup() failure in ddt_object_load()
Failing to lookup a name in the spa_ddt_stat_object should not result in a panic in ddt_object_load(). The error can be safely returned to the caller for handling resulting in a useful user error message. Signed-off-by: Brian Behlendorf <[email protected]> Closes #3370
Diffstat (limited to 'module/zfs')
-rw-r--r--module/zfs/ddt.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/module/zfs/ddt.c b/module/zfs/ddt.c
index 18557ffb5..12c1b7300 100644
--- a/module/zfs/ddt.c
+++ b/module/zfs/ddt.c
@@ -115,13 +115,14 @@ ddt_object_load(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
error = zap_lookup(ddt->ddt_os, DMU_POOL_DIRECTORY_OBJECT, name,
sizeof (uint64_t), 1, &ddt->ddt_object[type][class]);
-
if (error != 0)
return (error);
- VERIFY0(zap_lookup(ddt->ddt_os, ddt->ddt_spa->spa_ddt_stat_object, name,
+ error = zap_lookup(ddt->ddt_os, ddt->ddt_spa->spa_ddt_stat_object, name,
sizeof (uint64_t), sizeof (ddt_histogram_t) / sizeof (uint64_t),
- &ddt->ddt_histogram[type][class]));
+ &ddt->ddt_histogram[type][class]);
+ if (error != 0)
+ return (error);
/*
* Seed the cached statistics.