mirrors/passt
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

cppcheck: Work around bug in cppcheck 2.12.0

Browse source 
cppcheck 2.12.0 (and maybe some other versions) things this if condition
is always true, which is demonstrably not true.  Work around the bug for
now.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2023-09-29 15:50:22 +10:00 committed by Stefano Brivio
parent 8640d62af7
commit 117b474f85
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
tcp.c
View file

@ -1553,6 +1553,13 @@ static int tcp_update_seqack_wnd(const struct ctx *c, struct tcp_tap_conn *conn,
conn->wnd_to_tap = MIN(new_wnd_to_tap >> conn->ws_to_tap, USHRT_MAX);
/* Certain cppcheck versions, e.g. 2.12.0 have a bug where they think
* the MIN() above restricts conn->wnd_to_tap to be zero. That's
* clearly incorrect, but until the bug is fixed, work around it.
* https://bugzilla.redhat.com/show_bug.cgi?id=2240705
* https://sourceforge.net/p/cppcheck/discussion/general/thread/f5b1a00646/
*/
/* cppcheck-suppress [knownConditionTrueFalse, unmatchedSuppression] */
if (!conn->wnd_to_tap)
conn_flag(c, conn, ACK_TO_TAP_DUE);