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ena: remove surplus NULL checks when freeing ENA resources

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Calling free on a NULL pointer is valid, as appropriate check is already
done internally:

/* free(NULL, ...) does nothing */
if (addr == NULL)
    return;

Submitted by: Artur Rojek <ar@semihalf.com>
Obtained from: Semihalf
MFC after: 2 weeks
Sponsored by: Amazon, Inc.
This commit is contained in:
Marcin Wojtas 2021-06-14 10:57:49 +02:00
parent beaadec9ea
commit ddec69e6a7
1 changed files with 3 additions and 6 deletions
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9
sys/dev/ena/ena.c
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@ -1898,8 +1898,7 @@ ena_disable_msix(struct ena_adapter *adapter)
}
adapter->msix_vecs = 0;
if (adapter->msix_entries != NULL)
free(adapter->msix_entries, M_DEVBUF);
free(adapter->msix_entries, M_DEVBUF);
adapter->msix_entries = NULL;
}
@ -3863,11 +3862,9 @@ ena_detach(device_t pdev)
if_free(adapter->ifp);
if (ena_dev->bus != NULL)
free(ena_dev->bus, M_DEVBUF);
free(ena_dev->bus, M_DEVBUF);
if (ena_dev != NULL)
free(ena_dev, M_DEVBUF);
free(ena_dev, M_DEVBUF);
return (bus_generic_detach(pdev));
}