diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 949103db8a8ad75afab234f879acddc7e8c4a515..9003eb6716cd8621840bbbc75e0ba0540dab7e0a 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -1235,8 +1235,6 @@ static int gmac_start_xmit(struct sk_buff *skb, struct net_device *netdev) int txq_num, nfrags; union dma_rwptr rw; - SKB_FRAG_ASSERT(skb); - if (skb->len >= 0x10000) goto out_drop_free; diff --git a/drivers/net/sb1000.c b/drivers/net/sb1000.c index 941cfa8f1c2a5dbbb89d1ecba0b27f4579c58e5c..627b3a4405ada621c318ad5b5d1203adae010ae6 100644 --- a/drivers/net/sb1000.c +++ b/drivers/net/sb1000.c @@ -316,7 +316,7 @@ static int card_send_command(const int ioaddr[], const char* name, const unsigned char out[], unsigned char in[]) { - int status, x; + int status; if ((status = card_wait_for_busy_clear(ioaddr, name))) return status; @@ -345,9 +345,7 @@ card_send_command(const int ioaddr[], const char* name, out[0], out[1], out[2], out[3], out[4], out[5]); } - if (out[1] == 0x1b) { - x = (out[2] == 0x02); - } else { + if (out[1] != 0x1b) { if (out[0] >= 0x80 && in[0] != (out[1] | 0x80)) return -EIO; } @@ -490,14 +488,13 @@ sb1000_check_CRC(const int ioaddr[], const char* name) static const unsigned char Command0[6] = {0x80, 0x1f, 0x00, 0x00, 0x00, 0x00}; unsigned char st[7]; - int crc, status; + int status; /* check CRC */ if ((status = card_send_command(ioaddr, name, Command0, st))) return status; if (st[1] != st[3] || st[2] != st[4]) return -EIO; - crc = st[1] << 8 | st[2]; return 0; } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index a06275a618f0c4573a92eba1db7d348868f6d8a6..e4ee92089dd6b85df4031adc29bee8ab1d84eff4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2100,8 +2100,6 @@ void skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, int off, void skb_coalesce_rx_frag(struct sk_buff *skb, int i, int size, unsigned int truesize); -#define SKB_PAGE_ASSERT(skb) BUG_ON(skb_shinfo(skb)->nr_frags) -#define SKB_FRAG_ASSERT(skb) BUG_ON(skb_has_frag_list(skb)) #define SKB_LINEAR_ASSERT(skb) BUG_ON(skb_is_nonlinear(skb)) #ifdef NET_SKBUFF_DATA_USES_OFFSET diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 04d9946dcdba648f8e4dce9c0c0211f7036ae135..f36cae785e8217be3e9aed72d5fe7c01939511b6 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1070,7 +1070,6 @@ static int pppol2tp_ioctl(struct socket *sock, unsigned int cmd, { struct pppol2tp_ioc_stats stats; struct l2tp_session *session; - int val; switch (cmd) { case PPPIOCGMRU: @@ -1097,7 +1096,7 @@ static int pppol2tp_ioctl(struct socket *sock, unsigned int cmd, if (!session->session_id && !session->peer_session_id) return -ENOSYS; - if (get_user(val, (int __user *)arg)) + if (!access_ok((int __user *)arg, sizeof(int))) return -EFAULT; break; diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 1b0fb80162e6076b7d2e1c29b9ba73ed8bfd9c4e..001182aa395910acbbac47150c6b346a7d71acd7 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -13,6 +13,7 @@ #include <linux/list.h> #include <linux/errno.h> #include <linux/skbuff.h> +#include <linux/math64.h> #include <linux/module.h> #include <linux/spinlock.h> #include <net/netlink.h> @@ -121,7 +122,14 @@ static struct sk_buff *taprio_peek(struct Qdisc *sch) static inline int length_to_duration(struct taprio_sched *q, int len) { - return (len * atomic64_read(&q->picos_per_byte)) / 1000; + return div_u64(len * atomic64_read(&q->picos_per_byte), 1000); +} + +static void taprio_set_budget(struct taprio_sched *q, struct sched_entry *entry) +{ + atomic_set(&entry->budget, + div64_u64((u64)entry->interval * 1000, + atomic64_read(&q->picos_per_byte))); } static struct sk_buff *taprio_dequeue(struct Qdisc *sch) @@ -241,8 +249,7 @@ static enum hrtimer_restart advance_sched(struct hrtimer *timer) close_time = ktime_add_ns(entry->close_time, next->interval); next->close_time = close_time; - atomic_set(&next->budget, - (next->interval * 1000) / atomic64_read(&q->picos_per_byte)); + taprio_set_budget(q, next); first_run: rcu_assign_pointer(q->current_entry, next); @@ -575,9 +582,7 @@ static void taprio_start_sched(struct Qdisc *sch, ktime_t start) list); first->close_time = ktime_add_ns(start, first->interval); - atomic_set(&first->budget, - (first->interval * 1000) / - atomic64_read(&q->picos_per_byte)); + taprio_set_budget(q, first); rcu_assign_pointer(q->current_entry, NULL); spin_unlock_irqrestore(&q->current_entry_lock, flags);