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sctp: use sizeof(__u16) for each stream number length instead of magic number

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Now in stream reconf part there are still some places using magic
number 2 for each stream number length. To make it more readable,
this patch is to replace them with sizeof(__u16).

Reported-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Xin Long <lucien.xin@gmail.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 2017-11-25 21:05:32 +08:00 committed by David S. Miller
parent 67c8d22a73
commit 3aa623da78
1 changed files with 6 additions and 4 deletions
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10
net/sctp/stream.c
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@ -563,7 +563,7 @@ struct sctp_chunk *sctp_process_strreset_outreq(
flags = SCTP_STREAM_RESET_INCOMING_SSN;
}
nums = (ntohs(param.p->length) - sizeof(*outreq)) / 2;
nums = (ntohs(param.p->length) - sizeof(*outreq)) / sizeof(__u16);
if (nums) {
str_p = outreq->list_of_streams;
for (i = 0; i < nums; i++) {
@ -627,7 +627,7 @@ struct sctp_chunk *sctp_process_strreset_inreq(
goto out;
}
nums = (ntohs(param.p->length) - sizeof(*inreq)) / 2;
nums = (ntohs(param.p->length) - sizeof(*inreq)) / sizeof(__u16);
str_p = inreq->list_of_streams;
for (i = 0; i < nums; i++) {
if (ntohs(str_p[i]) >= stream->outcnt) {
@ -927,7 +927,8 @@ struct sctp_chunk *sctp_process_strreset_resp(
outreq = (struct sctp_strreset_outreq *)req;
str_p = outreq->list_of_streams;
nums = (ntohs(outreq->param_hdr.length) - sizeof(*outreq)) / 2;
nums = (ntohs(outreq->param_hdr.length) - sizeof(*outreq)) /
sizeof(__u16);
if (result == SCTP_STRRESET_PERFORMED) {
if (nums) {
@ -956,7 +957,8 @@ struct sctp_chunk *sctp_process_strreset_resp(
inreq = (struct sctp_strreset_inreq *)req;
str_p = inreq->list_of_streams;
nums = (ntohs(inreq->param_hdr.length) - sizeof(*inreq)) / 2;
nums = (ntohs(inreq->param_hdr.length) - sizeof(*inreq)) /
sizeof(__u16);
*evp = sctp_ulpevent_make_stream_reset_event(asoc, flags,
nums, str_p, GFP_ATOMIC);