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sctp: handle errors when updating asoc

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It's a bad thing not to handle errors when updating asoc. The memory
allocation failure in any of the functions called in sctp_assoc_update()
would cause sctp to work unexpectedly.

This patch is to fix it by aborting the asoc and reporting the error when
any of these functions fails.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2017-06-20 16:05:11 +08:00
committed by David S. Miller
parent 8cd5c25f2d
commit 5ee8aa6897
3 changed files with 39 additions and 14 deletions
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4
include/net/sctp/structs.h
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@@ -1953,8 +1953,8 @@ struct sctp_transport *sctp_assoc_is_match(struct sctp_association *,
const union sctp_addr *,
const union sctp_addr *);
void sctp_assoc_migrate(struct sctp_association *, struct sock *);
void sctp_assoc_update(struct sctp_association *old,
struct sctp_association *new);
int sctp_assoc_update(struct sctp_association *old,
struct sctp_association *new);
__u32 sctp_association_get_next_tsn(struct sctp_association *);