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doc: fix some syntax errors in netlink mmap sample code 

Cc: Patrick McHardy <kaber@trash.net>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2013-06-24 19:46:54 +08:00 committed by David S. Miller
parent 3e4f8b7873
commit 7623757661
1 changed files with 2 additions and 2 deletions
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4
Documentation/networking/netlink_mmap.txt
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@ -274,9 +274,9 @@ This example assumes some ring parameters of the ring setup are available.
/* Get next frame header */
hdr = rx_ring + frame_offset;
if (hdr->nm_status == NL_MMAP_STATUS_VALID)
if (hdr->nm_status == NL_MMAP_STATUS_VALID) {
/* Regular memory mapped frame */
nlh = (void *hdr) + NL_MMAP_HDRLEN;
nlh = (void *)hdr + NL_MMAP_HDRLEN;
len = hdr->nm_len;
/* Release empty message immediately. May happen