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Silence static analyzer warnings about spa_sync_props()

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Both Coverity and Clang's static analyzer complain about reading an
uninitialized intval if the property is not passed as DATA_TYPE_UINT64
in the nvlist. This is impossible becuase spa_prop_validate() already
checked this, but they are unlikely to be the last static analyzers to
complain about this, so lets just refactor the code to suppress the
warnings.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #14043
This commit is contained in:
Richard Yao 2022-10-15 18:34:31 -04:00 committed by Brian Behlendorf
parent 4ecd96371b
commit 44f71818f8
1 changed files with 28 additions and 28 deletions
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56
module/zfs/spa.c
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@ -8867,37 +8867,37 @@ spa_sync_props(void *arg, dmu_tx_t *tx)
spa_history_log_internal(spa, "set", tx,
"%s=%lld", nvpair_name(elem),
(longlong_t)intval);
switch (prop) {
case ZPOOL_PROP_DELEGATION:
spa->spa_delegation = intval;
break;
case ZPOOL_PROP_BOOTFS:
spa->spa_bootfs = intval;
break;
case ZPOOL_PROP_FAILUREMODE:
spa->spa_failmode = intval;
break;
case ZPOOL_PROP_AUTOTRIM:
spa->spa_autotrim = intval;
spa_async_request(spa,
SPA_ASYNC_AUTOTRIM_RESTART);
break;
case ZPOOL_PROP_AUTOEXPAND:
spa->spa_autoexpand = intval;
if (tx->tx_txg != TXG_INITIAL)
spa_async_request(spa,
SPA_ASYNC_AUTOEXPAND);
break;
case ZPOOL_PROP_MULTIHOST:
spa->spa_multihost = intval;
break;
default:
break;
}
} else {
ASSERT(0); /* not allowed */
}
switch (prop) {
case ZPOOL_PROP_DELEGATION:
spa->spa_delegation = intval;
break;
case ZPOOL_PROP_BOOTFS:
spa->spa_bootfs = intval;
break;
case ZPOOL_PROP_FAILUREMODE:
spa->spa_failmode = intval;
break;
case ZPOOL_PROP_AUTOTRIM:
spa->spa_autotrim = intval;
spa_async_request(spa,
SPA_ASYNC_AUTOTRIM_RESTART);
break;
case ZPOOL_PROP_AUTOEXPAND:
spa->spa_autoexpand = intval;
if (tx->tx_txg != TXG_INITIAL)
spa_async_request(spa,
SPA_ASYNC_AUTOEXPAND);
break;
case ZPOOL_PROP_MULTIHOST:
spa->spa_multihost = intval;
break;
default:
break;
}
}
}