The Linux Kernel API | ||
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If the socket buffer is a clone then this function creates a new
copy of the data, drops a reference count on the old copy and returns
the new copy with the reference count at 1. If the buffer is not a clone
the original buffer is returned. When called with a spinlock held or
from interrupt state pri must be GFP_ATOMIC
NULL
is returned on a memory allocation failure.
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skb_share_check | Up | skb_peek |