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| author |   David Binder <david.binder@unisys.com> | 2016-05-13 23:17:22 -0400 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-07 22:58:16 -0700 |
| commit | 73e81350ad7a45117c17fb3ec433a266b3fa7d78 (patch) | |
| tree | 42cdd9d2821d74b81c8c456ec4135cc902ff0372 /drivers/staging/unisys/visornic | |
| parent | staging: unisys: iovmcall_gnuc.h change -1 return values (diff) | |
| download | linux-dev-73e81350ad7a45117c17fb3ec433a266b3fa7d78.tar.xz linux-dev-73e81350ad7a45117c17fb3ec433a266b3fa7d78.zip | |
staging: unisys: visornic: change return statements
Changes return statements in visornic_rx() to use literals instead of a
variable. Also changes function description to reflect the correct return
type.
Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/unisys/visornic')
| -rw-r--r-- | drivers/staging/unisys/visornic/visornic_main.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index 4e3e67c7fe4e..a28388d3ddc2 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -1137,7 +1137,7 @@ repost_return(struct uiscmdrsp *cmdrsp, struct visornic_devdata *devdata, * * Got a receive packet back from the IO Part, handle it and send * it up the stack. - * Returns void + * Returns 1 iff an skb was receieved, otherwise 0 */ static int visornic_rx(struct uiscmdrsp *cmdrsp) @@ -1148,7 +1148,6 @@ visornic_rx(struct uiscmdrsp *cmdrsp) int cc, currsize, off; struct ethhdr *eth; unsigned long flags; - int rx_count = 0; /* post new rcv buf to the other end using the cmdrsp we have at hand * post it without holding lock - but we'll use the signal lock to @@ -1180,7 +1179,7 @@ visornic_rx(struct uiscmdrsp *cmdrsp) */ spin_unlock_irqrestore(&devdata->priv_lock, flags); repost_return(cmdrsp, devdata, skb, netdev); - return rx_count; + return 0; } spin_unlock_irqrestore(&devdata->priv_lock, flags); @@ -1199,7 +1198,7 @@ visornic_rx(struct uiscmdrsp *cmdrsp) if (repost_return(cmdrsp, devdata, skb, netdev) < 0) dev_err(&devdata->netdev->dev, "repost_return failed"); - return rx_count; + return 0; } /* length rcvd is greater than firstfrag in this skb rcv buf */ skb->tail += RCVPOST_BUF_SIZE; /* amount in skb->data */ @@ -1215,7 +1214,7 @@ visornic_rx(struct uiscmdrsp *cmdrsp) if (repost_return(cmdrsp, devdata, skb, netdev) < 0) dev_err(&devdata->netdev->dev, "repost_return failed"); - return rx_count; + return 0; } skb->tail += skb->len; skb->data_len = 0; /* nothing rcvd in frag_list */ @@ -1234,7 +1233,7 @@ visornic_rx(struct uiscmdrsp *cmdrsp) if (cmdrsp->net.rcv.rcvbuf[0] != skb) { if (repost_return(cmdrsp, devdata, skb, netdev) < 0) dev_err(&devdata->netdev->dev, "repost_return failed"); - return rx_count; + return 0; } if (cmdrsp->net.rcv.numrcvbufs > 1) { @@ -1316,10 +1315,9 @@ visornic_rx(struct uiscmdrsp *cmdrsp) /* drop packet - don't forward it up to OS */ devdata->n_rcv_packets_not_accepted++; repost_return(cmdrsp, devdata, skb, netdev); - return rx_count; + return 0; } while (0); - rx_count++; netif_receive_skb(skb); /* netif_rx returns various values, but "in practice most drivers * ignore the return value @@ -1332,7 +1330,7 @@ visornic_rx(struct uiscmdrsp *cmdrsp) * new rcv buffer. */ repost_return(cmdrsp, devdata, skb, netdev); - return rx_count; + return 1; } /** |