git: 0218596e9220 - stable/13 - acpica: Quiet a -Wdangling-pointer warning in AcpiUtInitStackPtrTrace.
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Wed, 03 May 2023 00:29:38 UTC
The branch stable/13 has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=0218596e92204dd3890cd9d1f3fc8fdffb1e770a
commit 0218596e92204dd3890cd9d1f3fc8fdffb1e770a
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-12-05 00:28:59 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-05-03 00:05:54 +0000
acpica: Quiet a -Wdangling-pointer warning in AcpiUtInitStackPtrTrace.
This function intentionally saves a pointer to an on-stack variable in
a global as a dubious way of reading the stack pointer.
Reviewed by: imp, emaste
Differential Revision: https://reviews.freebsd.org/D37535
(cherry picked from commit f4432625edd64df94ce7c2a085f256dbc4d2b215)
---
usr.sbin/acpi/acpidb/Makefile | 4 ++++
usr.sbin/acpi/iasl/Makefile | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/usr.sbin/acpi/acpidb/Makefile b/usr.sbin/acpi/acpidb/Makefile
index 5a6fceb2a4cb..ed28a26a67a7 100644
--- a/usr.sbin/acpi/acpidb/Makefile
+++ b/usr.sbin/acpi/acpidb/Makefile
@@ -90,3 +90,7 @@ LIBADD= pthread
.if ${COMPILER_TYPE} == "clang"
CWARNFLAGS+= -Wno-null-pointer-arithmetic
.endif
+
+# AcpiUtInitStackPtrTrace intentionally leaks a pointer to an
+# on-stack variable.
+CWARNFLAGS.utdebug.c+= ${NO_WDANGLING_POINTER}
diff --git a/usr.sbin/acpi/iasl/Makefile b/usr.sbin/acpi/iasl/Makefile
index 1807156475b1..6b0e77d08de8 100644
--- a/usr.sbin/acpi/iasl/Makefile
+++ b/usr.sbin/acpi/iasl/Makefile
@@ -147,4 +147,8 @@ prparserparse.c prparserparse.h: prparser.y
prparser.y.h: prparserparse.h .NOMETA
ln -f ${.ALLSRC} ${.TARGET}
+# AcpiUtInitStackPtrTrace intentionally leaks a pointer to an
+# on-stack variable.
+CWARNFLAGS.utdebug.c+= ${NO_WDANGLING_POINTER}
+
.include <bsd.prog.mk>