net/vmxnet3: fix build with clang 13

conorwalsh-intel · david-marchand · commit e76eb560bcf3 · 2021-11-16T13:02:27.000+01:00
The completed variable is used for debug logs even though clang 13 reports it as unused. Bugzilla ID: 881 Fixes: c3ecdbb ("vmxnet3: support TSO") Cc: stable@dpdk.org Reported-by: Liang Longfeng <longfengx.liang@intel.com> Signed-off-by: Conor Walsh <conor.walsh@intel.com> Reviewed-by: David Marchand <david.marchand@redhat.com>
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -340,6 +340,9 @@ vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)
 	}
 
 	PMD_TX_LOG(DEBUG, "Processed %d tx comps & command descs.", completed);
+
+	/* To avoid compiler warnings when not in DEBUG mode. */
+	RTE_SET_USED(completed);
 }
 
 uint16_t

Original file line number	Diff line number	Diff line change
`@@ -340,6 +340,9 @@ vmxnet3_tq_tx_complete(vmxnet3_tx_queue_t *txq)`
`340`	`340`	`}`
`341`	`341`
`342`	`342`	`PMD_TX_LOG(DEBUG, "Processed %d tx comps & command descs.", completed);`
	`343`	`+`
	`344`	`+ /* To avoid compiler warnings when not in DEBUG mode. */`
	`345`	`+ RTE_SET_USED(completed);`
`343`	`346`	`}`
`344`	`347`
`345`	`348`	`uint16_t`