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Summary:DAHTOOL-00096: gcc compiler warnings with 5.15 kernel
Reporter:N A (InterLinked)Labels:
Date Opened:2022-09-16 15:27:25Date Closed:
Priority:MinorRegression?
Status:Triage/NewComponents:General
Versions:3.1.0 Frequency of
Occurrence		Constant
Related
Issues:
Environment:Attachments:
Description:3.2.0, not 3.1.0

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 CC       hdlcstress.o
hdlcstress.c: In function ‘send_packet’:
hdlcstress.c:115:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 115 |                 write(fd, buf, len + 2);
     |                 ^~~~~~~~~~~~~~~~~~~~~~~
hdlcstress.c:142:17: warning: ignoring return value of ‘write’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
 142 |                 write(fd, outbuf, pos);
     |                 ^~~~~~~~~~~~~~~~~~~~~~
 CCLD     hdlcstress
 CC       hdlctest.o
 CCLD     hdlctest
 CC       hdlcgen.o
 CCLD     hdlcgen
 CC       hdlcverify.o
 CCLD     hdlcverify
 CC       dahdi_test.o
 CCLD     dahdi_test
 CC       dahdi_maint.o
 CC       version.o
 CCLD     dahdi_maint
 CC       dahdi_monitor.o
 CCLD     dahdi_monitor
 CC       dahdi_cfg.o
dahdi_cfg.c: In function ‘are_all_spans_assigned’:
dahdi_cfg.c:153:21: warning: ‘/span_count’ directive output may be truncated writing 11 bytes into a region of size between 0 and 1023 [-Wformat-truncation=]
 153 |                  "%s/span_count", device_path);
     |                     ^~~~~~~~~~~
In file included from /usr/include/stdio.h:894,
                from dahdi_cfg.c:30:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:71:10: note: ‘__builtin___snprintf_chk’ output between 12 and 1035 bytes into a destination of size 1023
  71 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
     |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  72 |                                    __glibc_objsize (__s), __fmt,
     |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  73 |                                    __va_arg_pack ());
     |                                    ~~~~~~~~~~~~~~~~~
 CCLD     dahdi_cfg

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