diff options
Diffstat (limited to 'net/caif/cfpkt_skbuff.c')
| -rw-r--r-- | net/caif/cfpkt_skbuff.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/net/caif/cfpkt_skbuff.c b/net/caif/cfpkt_skbuff.c index c49a669..d7e865e 100644 --- a/net/caif/cfpkt_skbuff.c +++ b/net/caif/cfpkt_skbuff.c @@ -4,6 +4,8 @@ * License terms: GNU General Public License (GPL) version 2 */ +#define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__ + #include <linux/string.h> #include <linux/skbuff.h> #include <linux/hardirq.h> @@ -12,11 +14,12 @@ #define PKT_PREFIX 48 #define PKT_POSTFIX 2 #define PKT_LEN_WHEN_EXTENDING 128 -#define PKT_ERROR(pkt, errmsg) do { \ - cfpkt_priv(pkt)->erronous = true; \ - skb_reset_tail_pointer(&pkt->skb); \ - pr_warning("CAIF: " errmsg);\ - } while (0) +#define PKT_ERROR(pkt, errmsg) \ +do { \ + cfpkt_priv(pkt)->erronous = true; \ + skb_reset_tail_pointer(&pkt->skb); \ + pr_warn(errmsg); \ +} while (0) struct cfpktq { struct sk_buff_head head; @@ -130,13 +133,13 @@ int cfpkt_extr_head(struct cfpkt *pkt, void *data, u16 len) return -EPROTO; if (unlikely(len > skb->len)) { - PKT_ERROR(pkt, "cfpkt_extr_head read beyond end of packet\n"); + PKT_ERROR(pkt, "read beyond end of packet\n"); return -EPROTO; } if (unlikely(len > skb_headlen(skb))) { if (unlikely(skb_linearize(skb) != 0)) { - PKT_ERROR(pkt, "cfpkt_extr_head linearize failed\n"); + PKT_ERROR(pkt, "linearize failed\n"); return -EPROTO; } } @@ -156,11 +159,11 @@ int cfpkt_extr_trail(struct cfpkt *pkt, void *dta, u16 len) return -EPROTO; if (unlikely(skb_linearize(skb) != 0)) { - PKT_ERROR(pkt, "cfpkt_extr_trail linearize failed\n"); + PKT_ERROR(pkt, "linearize failed\n"); return -EPROTO; } if (unlikely(skb->data + len > skb_tail_pointer(skb))) { - PKT_ERROR(pkt, "cfpkt_extr_trail read beyond end of packet\n"); + PKT_ERROR(pkt, "read beyond end of packet\n"); return -EPROTO; } from = skb_tail_pointer(skb) - len; @@ -202,7 +205,7 @@ int cfpkt_add_body(struct cfpkt *pkt, const void *data, u16 len) /* Make sure data is writable */ if (unlikely(skb_cow_data(skb, addlen, &lastskb) < 0)) { - PKT_ERROR(pkt, "cfpkt_add_body: cow failed\n"); + PKT_ERROR(pkt, "cow failed\n"); return -EPROTO; } /* @@ -211,8 +214,7 @@ int cfpkt_add_body(struct cfpkt *pkt, const void *data, u16 len) * lengths of the top SKB. */ if (lastskb != skb) { - pr_warning("CAIF: %s(): Packet is non-linear\n", - __func__); + pr_warn("Packet is non-linear\n"); skb->len += len; skb->data_len += len; } @@ -242,14 +244,14 @@ int cfpkt_add_head(struct cfpkt *pkt, const void *data2, u16 len) if (unlikely(is_erronous(pkt))) return -EPROTO; if (unlikely(skb_headroom(skb) < len)) { - PKT_ERROR(pkt, "cfpkt_add_head: no headroom\n"); + PKT_ERROR(pkt, "no headroom\n"); return -EPROTO; } /* Make sure data is writable */ ret = skb_cow_data(skb, 0, &lastskb); if (unlikely(ret < 0)) { - PKT_ERROR(pkt, "cfpkt_add_head: cow failed\n"); + PKT_ERROR(pkt, "cow failed\n"); return ret; } @@ -283,7 +285,7 @@ inline u16 cfpkt_iterate(struct cfpkt *pkt, if (unlikely(is_erronous(pkt))) return -EPROTO; if (unlikely(skb_linearize(&pkt->skb) != 0)) { - PKT_ERROR(pkt, "cfpkt_iterate: linearize failed\n"); + PKT_ERROR(pkt, "linearize failed\n"); return -EPROTO; } return iter_func(data, pkt->skb.data, cfpkt_getlen(pkt)); @@ -309,7 +311,7 @@ int cfpkt_setlen(struct cfpkt *pkt, u16 len) /* Need to expand SKB */ if (unlikely(!cfpkt_pad_trail(pkt, len - skb->len))) - PKT_ERROR(pkt, "cfpkt_setlen: skb_pad_trail failed\n"); + PKT_ERROR(pkt, "skb_pad_trail failed\n"); return cfpkt_getlen(pkt); } @@ -380,8 +382,7 @@ struct cfpkt *cfpkt_split(struct cfpkt *pkt, u16 pos) return NULL; if (skb->data + pos > skb_tail_pointer(skb)) { - PKT_ERROR(pkt, - "cfpkt_split: trying to split beyond end of packet"); + PKT_ERROR(pkt, "trying to split beyond end of packet\n"); return NULL; } @@ -455,17 +456,17 @@ int cfpkt_raw_append(struct cfpkt *pkt, void **buf, unsigned int buflen) return -EPROTO; /* Make sure SKB is writable */ if (unlikely(skb_cow_data(skb, 0, &lastskb) < 0)) { - PKT_ERROR(pkt, "cfpkt_raw_append: skb_cow_data failed\n"); + PKT_ERROR(pkt, "skb_cow_data failed\n"); return -EPROTO; } if (unlikely(skb_linearize(skb) != 0)) { - PKT_ERROR(pkt, "cfpkt_raw_append: linearize failed\n"); + PKT_ERROR(pkt, "linearize failed\n"); return -EPROTO; } if (unlikely(skb_tailroom(skb) < buflen)) { - PKT_ERROR(pkt, "cfpkt_raw_append: buffer too short - failed\n"); + PKT_ERROR(pkt, "buffer too short - failed\n"); return -EPROTO; } @@ -483,14 +484,13 @@ int cfpkt_raw_extract(struct cfpkt *pkt, void **buf, unsigned int buflen) return -EPROTO; if (unlikely(buflen > skb->len)) { - PKT_ERROR(pkt, "cfpkt_raw_extract: buflen too large " - "- failed\n"); + PKT_ERROR(pkt, "buflen too large - failed\n"); return -EPROTO; } if (unlikely(buflen > skb_headlen(skb))) { if (unlikely(skb_linearize(skb) != 0)) { - PKT_ERROR(pkt, "cfpkt_raw_extract: linearize failed\n"); + PKT_ERROR(pkt, "linearize failed\n"); return -EPROTO; } } |
