diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
commit | 2f5eaf66e580f64032b365a00157b6b58c266b37 (patch) | |
tree | 7852017c864f0eb3833782e2a017952bd8531458 /net/rds/tcp_recv.c | |
parent | c291ee622165cb2c8d4e7af63fffd499354a23be (diff) | |
parent | 91d1179212161f220938198b742c328ad38fd0a3 (diff) |
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper
- mtk-sysirq: Fix error handling
- hip04: Fix cpu map for 16bit value
- gic-v3-its: Clear a warning regarding decimal constants
- omap-intc: Fix legacy DMA regression
- atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'net/rds/tcp_recv.c')
-rw-r--r-- | net/rds/tcp_recv.c | 38 |
1 files changed, 9 insertions, 29 deletions
diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c index 9ae6e0a264e..fbc5ef88bc0 100644 --- a/net/rds/tcp_recv.c +++ b/net/rds/tcp_recv.c @@ -59,50 +59,30 @@ void rds_tcp_inc_free(struct rds_incoming *inc) /* * this is pretty lame, but, whatever. */ -int rds_tcp_inc_copy_to_user(struct rds_incoming *inc, struct iovec *first_iov, - size_t size) +int rds_tcp_inc_copy_to_user(struct rds_incoming *inc, struct iov_iter *to) { struct rds_tcp_incoming *tinc; - struct iovec *iov, tmp; struct sk_buff *skb; - unsigned long to_copy, skb_off; int ret = 0; - if (size == 0) + if (!iov_iter_count(to)) goto out; tinc = container_of(inc, struct rds_tcp_incoming, ti_inc); - iov = first_iov; - tmp = *iov; skb_queue_walk(&tinc->ti_skb_list, skb) { - skb_off = 0; - while (skb_off < skb->len) { - while (tmp.iov_len == 0) { - iov++; - tmp = *iov; - } - - to_copy = min(tmp.iov_len, size); + unsigned long to_copy, skb_off; + for (skb_off = 0; skb_off < skb->len; skb_off += to_copy) { + to_copy = iov_iter_count(to); to_copy = min(to_copy, skb->len - skb_off); - rdsdebug("ret %d size %zu skb %p skb_off %lu " - "skblen %d iov_base %p iov_len %zu cpy %lu\n", - ret, size, skb, skb_off, skb->len, - tmp.iov_base, tmp.iov_len, to_copy); - - /* modifies tmp as it copies */ - if (skb_copy_datagram_iovec(skb, skb_off, &tmp, - to_copy)) { - ret = -EFAULT; - goto out; - } + if (skb_copy_datagram_iter(skb, skb_off, to, to_copy)) + return -EFAULT; rds_stats_add(s_copy_to_user, to_copy); - size -= to_copy; ret += to_copy; - skb_off += to_copy; - if (size == 0) + + if (!iov_iter_count(to)) goto out; } } |