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Commit 03cc0789 authored by Al Viro's avatar Al Viro
Browse files

do_splice_to(): cap the size before passing to ->splice_read() 



pipe capacity won't exceed 2G anyway.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 7500c38a

fs/splice.c

+3 −0
Original line number Diff line number Diff line
@@ -1143,6 +1143,9 @@ static long do_splice_to(struct file *in, loff_t *ppos, 
	if (unlikely(ret < 0))

		return ret;



	if (unlikely(len > MAX_RW_COUNT))

		len = MAX_RW_COUNT;



	if (in->f_op->splice_read)

		splice_read = in->f_op->splice_read;

	else