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| author | Dan Carpenter <error27@gmail.com> | 2010-03-05 13:42:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-06 11:26:32 -0800 |
| commit | 5f1664f92b2247111b7d37e454a050b76ac61b7f (patch) | |
| tree | dfedcdc7c878a103e561c7b0a7cf3ae7d5bff8a9 /kernel/relay.c | |
| parent | 0347af4ee3922220f6bfe74b87b526aa709a0365 (diff) | |
| download | lwn-5f1664f92b2247111b7d37e454a050b76ac61b7f.tar.gz lwn-5f1664f92b2247111b7d37e454a050b76ac61b7f.zip | |
splice: comparing unsigned int < 0
"ret" needs to be signed or the error handling for splice_to_pipe() won't
work correctly.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Tom Zanussi <zanussi@comcast.net>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/relay.c')
| -rw-r--r-- | kernel/relay.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/relay.c b/kernel/relay.c index c705a41b4ba3..3d97f2821611 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -1215,14 +1215,14 @@ static void relay_page_release(struct splice_pipe_desc *spd, unsigned int i) /* * subbuf_splice_actor - splice up to one subbuf's worth of data */ -static int subbuf_splice_actor(struct file *in, +static ssize_t subbuf_splice_actor(struct file *in, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags, int *nonpad_ret) { - unsigned int pidx, poff, total_len, subbuf_pages, nr_pages, ret; + unsigned int pidx, poff, total_len, subbuf_pages, nr_pages; struct rchan_buf *rbuf = in->private_data; unsigned int subbuf_size = rbuf->chan->subbuf_size; uint64_t pos = (uint64_t) *ppos; @@ -1241,6 +1241,7 @@ static int subbuf_splice_actor(struct file *in, .ops = &relay_pipe_buf_ops, .spd_release = relay_page_release, }; + ssize_t ret; if (rbuf->subbufs_produced == rbuf->subbufs_consumed) return 0; |