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sctp: Add process name and pid to deprecation warnings 

Recently I updated the sctp socket option deprecation warnings to be both a bit
more clear and ratelimited to prevent user processes from spamming the log file.
Ben Hutchings suggested that I add the process name and pid to these warnings so
that users can tell who is responsible for using the deprecated apis.  This
patch accomplishes that.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Vlad Yasevich <vyasevich@gmail.com>
CC: Ben Hutchings <bhutchings@solarflare.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Horman 2014-01-02 12:54:27 -05:00 committed by David S. Miller
parent 2d4dda781f
commit f916ec9608
1 changed files with 18 additions and 6 deletions
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24
net/sctp/socket.c
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@ -2579,8 +2579,10 @@ static int sctp_setsockopt_delayed_ack(struct sock *sk,
return 0;
} else if (optlen == sizeof(struct sctp_assoc_value)) {
pr_warn_ratelimited(DEPRECATED
"%s (pid %d) "
"Use of struct sctp_assoc_value in delayed_ack socket option.\n"
"Use struct sctp_sack_info instead\n");
"Use struct sctp_sack_info instead\n",
current->comm, task_pid_nr(current));
if (copy_from_user(&params, optval, optlen))
return -EFAULT;
@ -2996,8 +2998,10 @@ static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, unsigned
if (optlen == sizeof(int)) {
pr_warn_ratelimited(DEPRECATED
"%s (pid %d) "
"Use of int in maxseg socket option.\n"
"Use struct sctp_assoc_value instead\n");
"Use struct sctp_assoc_value instead\n",
current->comm, task_pid_nr(current));
if (copy_from_user(&val, optval, optlen))
return -EFAULT;
params.assoc_id = 0;
@ -3255,8 +3259,10 @@ static int sctp_setsockopt_maxburst(struct sock *sk,
if (optlen == sizeof(int)) {
pr_warn_ratelimited(DEPRECATED
"%s (pid %d) "
"Use of int in max_burst socket option deprecated.\n"
"Use struct sctp_assoc_value instead\n");
"Use struct sctp_assoc_value instead\n",
current->comm, task_pid_nr(current));
if (copy_from_user(&val, optval, optlen))
return -EFAULT;
} else if (optlen == sizeof(struct sctp_assoc_value)) {
@ -4577,8 +4583,10 @@ static int sctp_getsockopt_delayed_ack(struct sock *sk, int len,
return -EFAULT;
} else if (len == sizeof(struct sctp_assoc_value)) {
pr_warn_ratelimited(DEPRECATED
"%s (pid %d) "
"Use of struct sctp_assoc_value in delayed_ack socket option.\n"
"Use struct sctp_sack_info instead\n");
"Use struct sctp_sack_info instead\n",
current->comm, task_pid_nr(current));
if (copy_from_user(&params, optval, len))
return -EFAULT;
} else
@ -5223,8 +5231,10 @@ static int sctp_getsockopt_maxseg(struct sock *sk, int len,
if (len == sizeof(int)) {
pr_warn_ratelimited(DEPRECATED
"%s (pid %d) "
"Use of int in maxseg socket option.\n"
"Use struct sctp_assoc_value instead\n");
"Use struct sctp_assoc_value instead\n",
current->comm, task_pid_nr(current));
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
@ -5316,8 +5326,10 @@ static int sctp_getsockopt_maxburst(struct sock *sk, int len,
if (len == sizeof(int)) {
pr_warn_ratelimited(DEPRECATED
"%s (pid %d) "
"Use of int in max_burst socket option.\n"
"Use struct sctp_assoc_value instead\n");
"Use struct sctp_assoc_value instead\n",
current->comm, task_pid_nr(current));
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);