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Wedson Almeida Filho authored
Callers of skb_seq_read() are currently forced to call skb_abort_seq_read() even when consuming all the data because the last call to skb_seq_read (the one that returns 0 to indicate the end) fails to unmap the last fragment page. With this patch callers will be allowed to traverse the SKB data by calling skb_prepare_seq_read() once and repeatedly calling skb_seq_read() as originally intended (and documented in the original commit 677e90ed), that is, only call skb_abort_seq_read() if the sequential read is actually aborted. Signed-off-by:
Wedson Almeida Filho <wedsonaf@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
aeb193ea