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authorAl Viro <viro@zeniv.linux.org.uk>2014-04-11 12:01:03 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-04-12 07:04:19 -0400
commita786c06d9f2719203c00b3d97b21f9a96980d0b5 (patch)
tree29a5e2ea710084cc115ec496e667658704ab72c2 /kernel/relay.c
parent19dfc1f5f2ef03a52aa30c8257c5745edef23f55 (diff)
downloadlinux-sh-a786c06d9f2719203c00b3d97b21f9a96980d0b5.tar.gz
missing bits of "splice: fix racy pipe->buffers uses"
that commit has fixed only the parts of that mess in fs/splice.c itself; there had been more in several other ->splice_read() instances... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/relay.c')
-rw-r--r--kernel/relay.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/relay.c b/kernel/relay.c
index 98833f664fb6..7d38607649a3 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1251,7 +1251,7 @@ static ssize_t subbuf_splice_actor(struct file *in,
subbuf_pages = rbuf->chan->alloc_size >> PAGE_SHIFT;
pidx = (read_start / PAGE_SIZE) % subbuf_pages;
poff = read_start & ~PAGE_MASK;
- nr_pages = min_t(unsigned int, subbuf_pages, pipe->buffers);
+ nr_pages = min_t(unsigned int, subbuf_pages, spd.nr_pages_max);
for (total_len = 0; spd.nr_pages < nr_pages; spd.nr_pages++) {
unsigned int this_len, this_end, private;