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| author | Jason Wang <jasowang@redhat.com> | 2013-08-06 17:45:07 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-07 16:52:38 -0700 |
| commit | 0433547aa7443cefc89d9b533169bdc50f1206b8 (patch) | |
| tree | ffb3ad0b9f34b845340262db63046b49bca2e7cc /net/core/datagram.c | |
| parent | 234a4267085e85d0cc5552c340833bb2d82a50e7 (diff) | |
| download | op-kernel-dev-0433547aa7443cefc89d9b533169bdc50f1206b8.zip op-kernel-dev-0433547aa7443cefc89d9b533169bdc50f1206b8.tar.gz | |
net: use release_pages() in zerocopy_sg_from_iovec()
To reduce the duplicated codes.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/datagram.c')
| -rw-r--r-- | net/core/datagram.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index a8a795c..badcd93 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -48,6 +48,7 @@ #include <linux/highmem.h> #include <linux/spinlock.h> #include <linux/slab.h> +#include <linux/pagemap.h> #include <net/protocol.h> #include <linux/skbuff.h> @@ -638,10 +639,7 @@ int zerocopy_sg_from_iovec(struct sk_buff *skb, const struct iovec *from, return -EMSGSIZE; num_pages = get_user_pages_fast(base, size, 0, &page[i]); if (num_pages != size) { - int j; - - for (j = 0; j < num_pages; j++) - put_page(page[i + j]); + release_pages(&page[i], num_pages, 0); return -EFAULT; } truesize = size * PAGE_SIZE; |
