diff options
Diffstat (limited to 'net/rds/message.c')
| -rw-r--r-- | net/rds/message.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/rds/message.c b/net/rds/message.c index ff220221818..756c7372912 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -266,7 +266,7 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in int rds_message_copy_from_user(struct rds_message *rm, struct iov_iter *from) { - unsigned long to_copy; + unsigned long to_copy, nbytes; unsigned long sg_off; struct scatterlist *sg; int ret = 0; @@ -293,9 +293,9 @@ int rds_message_copy_from_user(struct rds_message *rm, struct iov_iter *from) sg->length - sg_off); rds_stats_add(s_copy_from_user, to_copy); - ret = copy_page_from_iter(sg_page(sg), sg->offset + sg_off, - to_copy, from); - if (ret != to_copy) + nbytes = copy_page_from_iter(sg_page(sg), sg->offset + sg_off, + to_copy, from); + if (nbytes != to_copy) return -EFAULT; sg_off += to_copy; @@ -325,7 +325,8 @@ int rds_message_inc_copy_to_user(struct rds_incoming *inc, struct iov_iter *to) copied = 0; while (iov_iter_count(to) && copied < len) { - to_copy = min(iov_iter_count(to), sg->length - vec_off); + to_copy = min_t(unsigned long, iov_iter_count(to), + sg->length - vec_off); to_copy = min_t(unsigned long, to_copy, len - copied); rds_stats_add(s_copy_to_user, to_copy); |