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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-11 12:01:03 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-12 07:04:19 -0400 |
| commit | a786c06d9f2719203c00b3d97b21f9a96980d0b5 (patch) | |
| tree | 29a5e2ea710084cc115ec496e667658704ab72c2 /kernel/relay.c | |
| parent | 19dfc1f5f2ef03a52aa30c8257c5745edef23f55 (diff) | |
| download | lwn-a786c06d9f2719203c00b3d97b21f9a96980d0b5.tar.gz lwn-a786c06d9f2719203c00b3d97b21f9a96980d0b5.zip | |
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.c | 2 |
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; |