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(parent: cfc0861) | patch
dccp: support for passing MSG_TRUNC
authorGerrit Renker <gerrit@erg.abdn.ac.uk>
Wed, 10 Feb 2010 20:26:18 +0000 (20:26 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 13 Feb 2010 00:51:10 +0000 (16:51 -0800)
commit55d955902a7f78e3e7c9ddbc71a4a050d9d44810
treee56d33b78b483476b9560370dcf37db7c40c886atree | snapshot (tar.gz zip)
parentcfc0861ba32643c63901832a583054bea0445961commit | diff
dccp: support for passing MSG_TRUNC

DCCP is datagram-oriented but lacks UDP's support for MSG_TRUNC as defined in
recvmsg(2)/recv(2). Hence the following 'Hello world\0' receiver

  len = recv(fd, buf, 10, MSG_PEEK | MSG_TRUNC);

wrongly (always) returns 10, while in UDP it returns 12 as expected.
This patch adds the missing MSG_TRUNC support to recvmsg().

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/dccp/proto.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)