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-rw-r--r--fs/splice.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/splice.c b/fs/splice.c
index 8ed7c9d8c0fb..873d83104e79 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1087,7 +1087,13 @@ EXPORT_SYMBOL(do_splice_direct);
static int wait_for_space(struct pipe_inode_info *pipe, unsigned flags)
{
- while (pipe->nrbufs == pipe->buffers) {
+ for (;;) {
+ if (unlikely(!pipe->readers)) {
+ send_sig(SIGPIPE, current, 0);
+ return -EPIPE;
+ }
+ if (pipe->nrbufs != pipe->buffers)
+ return 0;
if (flags & SPLICE_F_NONBLOCK)
return -EAGAIN;
if (signal_pending(current))
@@ -1096,7 +1102,6 @@ static int wait_for_space(struct pipe_inode_info *pipe, unsigned flags)
pipe_wait(pipe);
pipe->waiting_writers--;
}
- return 0;
}
static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,