[PATCH] net: plip: mark expected switch fall-throughs
From: Gustavo A. R. Silva <hidden>
Date: 2017-11-03 14:32:00
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Addresses-Coverity-ID: 114893 Addresses-Coverity-ID: 114894 Addresses-Coverity-ID: 114895 Addresses-Coverity-ID: 114896 Addresses-Coverity-ID: 114897 Addresses-Coverity-ID: 114898 Addresses-Coverity-ID: 114899 Addresses-Coverity-ID: 114900 Addresses-Coverity-ID: 114901 Addresses-Coverity-ID: 114902 Addresses-Coverity-ID: 114903 Addresses-Coverity-ID: 114904 Addresses-Coverity-ID: 114905 Signed-off-by: Gustavo A. R. Silva <redacted> --- drivers/net/plip/plip.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c
index 3c55ea3..feb92ec 100644
--- a/drivers/net/plip/plip.c
+++ b/drivers/net/plip/plip.c@@ -502,6 +502,7 @@ plip_receive(unsigned short nibble_timeout, struct net_device *dev, *data_p = (c0 >> 3) & 0x0f; write_data (dev, 0x10); /* send ACK */ *ns_p = PLIP_NB_1; + /* fall through */ case PLIP_NB_1: cx = nibble_timeout;
@@ -597,6 +598,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, printk(KERN_DEBUG "%s: receive start\n", dev->name); rcv->state = PLIP_PK_LENGTH_LSB; rcv->nibble = PLIP_NB_BEGIN; + /* fall through */ case PLIP_PK_LENGTH_LSB: if (snd->state != PLIP_PK_DONE) {
@@ -617,6 +619,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, return TIMEOUT; } rcv->state = PLIP_PK_LENGTH_MSB; + /* fall through */ case PLIP_PK_LENGTH_MSB: if (plip_receive(nibble_timeout, dev,
@@ -639,6 +642,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, rcv->state = PLIP_PK_DATA; rcv->byte = 0; rcv->checksum = 0; + /* fall through */ case PLIP_PK_DATA: lbuf = rcv->skb->data;
@@ -651,6 +655,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, rcv->checksum += lbuf[--rcv->byte]; } while (rcv->byte); rcv->state = PLIP_PK_CHECKSUM; + /* fall through */ case PLIP_PK_CHECKSUM: if (plip_receive(nibble_timeout, dev,
@@ -663,6 +668,7 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl, return ERROR; } rcv->state = PLIP_PK_DONE; + /* fall through */ case PLIP_PK_DONE: /* Inform the upper layer for the arrival of a packet. */
@@ -708,6 +714,7 @@ plip_send(unsigned short nibble_timeout, struct net_device *dev, case PLIP_NB_BEGIN: write_data (dev, data & 0x0f); *ns_p = PLIP_NB_1; + /* fall through */ case PLIP_NB_1: write_data (dev, 0x10 | (data & 0x0f));
@@ -722,6 +729,7 @@ plip_send(unsigned short nibble_timeout, struct net_device *dev, } write_data (dev, 0x10 | (data >> 4)); *ns_p = PLIP_NB_2; + /* fall through */ case PLIP_NB_2: write_data (dev, (data >> 4));
@@ -810,6 +818,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, &snd->nibble, snd->length.b.lsb)) return TIMEOUT; snd->state = PLIP_PK_LENGTH_MSB; + /* fall through */ case PLIP_PK_LENGTH_MSB: if (plip_send(nibble_timeout, dev,
@@ -818,6 +827,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, snd->state = PLIP_PK_DATA; snd->byte = 0; snd->checksum = 0; + /* fall through */ case PLIP_PK_DATA: do {
@@ -829,6 +839,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, snd->checksum += lbuf[--snd->byte]; } while (snd->byte); snd->state = PLIP_PK_CHECKSUM; + /* fall through */ case PLIP_PK_CHECKSUM: if (plip_send(nibble_timeout, dev,
@@ -839,6 +850,7 @@ plip_send_packet(struct net_device *dev, struct net_local *nl, dev_kfree_skb(snd->skb); dev->stats.tx_packets++; snd->state = PLIP_PK_DONE; + /* fall through */ case PLIP_PK_DONE: /* Close the connection */
@@ -927,6 +939,7 @@ plip_interrupt(void *dev_id) switch (nl->connection) { case PLIP_CN_CLOSING: netif_wake_queue (dev); + /* fall through */ case PLIP_CN_NONE: case PLIP_CN_SEND: rcv->state = PLIP_PK_TRIGGER;
--
2.7.4