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net/9p: switch to copy_from_iter_full()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-02-17 23:16:09 -05:00
parent 3073f070a1
commit 1c512a7ca9
2 changed files with 3 additions and 4 deletions
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2
net/9p/protocol.c
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@ -74,7 +74,7 @@ pdu_write_u(struct p9_fcall *pdu, struct iov_iter *from, size_t size)
{
size_t len = min(pdu->capacity - pdu->size, size);
struct iov_iter i = *from;
if (copy_from_iter(&pdu->sdata[pdu->size], len, &i) != len)
if (!copy_from_iter_full(&pdu->sdata[pdu->size], len, &i))
len = 0;
pdu->size += len;