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path: root/drivers/net/fm/fm.h
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Diffstat (limited to 'drivers/net/fm/fm.h')
-rw-r--r--drivers/net/fm/fm.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/fm/fm.h b/drivers/net/fm/fm.h
index 43de114..316e06e 100644
--- a/drivers/net/fm/fm.h
+++ b/drivers/net/fm/fm.h
@@ -143,6 +143,7 @@ struct fm_eth {
#define MAX_RXBUF_LOG2 11
#define MAX_RXBUF_LEN (1 << MAX_RXBUF_LOG2)
-#define PORT_IS_ENABLED(port) fm_info[fm_port_to_index(port)].enabled
+#define PORT_IS_ENABLED(port) (fm_port_to_index(port) == -1 ? \
+ 0 : fm_info[fm_port_to_index(port)].enabled)
#endif /* __FM_H__ */