Commit e233febd authored by Sergey Nazarov's avatar Sergey Nazarov Committed by David S. Miller
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CIPSO: Fix unaligned memory access in cipso_v4_gentag_hdr 



We need to use put_unaligned when writing 32-bit DOI value
in cipso_v4_gentag_hdr to avoid unaligned memory access.

v2: unneeded type cast removed as Ondrej Mosnacek suggested.

Signed-off-by: default avatarSergey Nazarov <s-nazarov@yandex.ru>
Acked-by: default avatarPaul Moore <paul@paul-moore.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8eb37ab7

net/ipv4/cipso_ipv4.c

+1 −1
Original line number Diff line number Diff line
@@ -1153,7 +1153,7 @@ static void cipso_v4_gentag_hdr(const struct cipso_v4_doi *doi_def, 
{

	buf[0] = IPOPT_CIPSO;

	buf[1] = CIPSO_V4_HDR_LEN + len;

	*(__be32 *)&buf[2] = htonl(doi_def->doi);

	put_unaligned_be32(doi_def->doi, &buf[2]);

}



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