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Accepting request 601676 from home:bfrogers:branches:Virtualization

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- Guard strncpy call with GCC pragma to disable warning about possible
  incorrect usage, when in fact it is correct. This is for gcc 8
  compatibility (bsc#1090355)
  ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
- Add WantedBy for enable qemu-ga@.service auto start (bsc#1090369)
- Guard strncpy call with GCC pragma to disable warning about possible
  incorrect usage, when in fact it is correct. This is for gcc 8
  compatibility (bsc#1090355)
  ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
- Add WantedBy for enable qemu-ga@.service auto start (bsc#1090369)

OBS-URL: https://build.opensuse.org/request/show/601676
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=406
This commit is contained in:
Bruce Rogers 2018-04-26 18:53:21 +00:00 committed by Git OBS Bridge
parent e3645aee80
commit 62e852c00d
7 changed files with 78 additions and 0 deletions
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43
ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch Normal file
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@ -0,0 +1,43 @@
From cd6ca646c12371f0146d43ea5a6b7574342c2a7f Mon Sep 17 00:00:00 2001
From: Bruce Rogers <brogers@suse.com>
Date: Wed, 25 Apr 2018 10:26:28 -0600
Subject: [PATCH] [efi] guard strncpy with gcc warning ignore pragma
Using gcc 8 with the -Wstringop-truncation option, and with warnings
treated as errors, the following error is emitted:
util/elf2efi.c:494:2: error: 'strncpy' specified bound 8 equals destination
size [-Werror=stringop-truncation]
strncpy ( ( char * ) new->hdr.Name, name, sizeof ( new->hdr.Name ) );
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Use gcc pragmas surrounding this line of code which avoid this warning. The
strncpy usage here is correct.
[BR: BSC#1090355]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
src/util/elf2efi.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/util/elf2efi.c b/src/util/elf2efi.c
index 6718df77..93cdda03 100644
--- a/src/util/elf2efi.c
+++ b/src/util/elf2efi.c
@@ -494,7 +494,13 @@ static struct pe_section * process_section ( struct elf_file *elf,
memset ( new, 0, sizeof ( *new ) + section_filesz );
/* Fill in section header details */
+/* gcc 8 warning gives false positive here - our usage is correct */
+#pragma GCC diagnostic push
+#if __GNUC__ >= 8
+#pragma GCC diagnostic ignored "-Wstringop-truncation"
+#endif
strncpy ( ( char * ) new->hdr.Name, name, sizeof ( new->hdr.Name ) );
+#pragma GCC diagnostic pop
new->hdr.Misc.VirtualSize = section_memsz;
new->hdr.VirtualAddress = shdr->sh_addr;
new->hdr.SizeOfRawData = section_filesz;
--
2.16.3

3
qemu-ga@.service
View File

@ -9,3 +9,6 @@ Type=simple
ExecStart=-/usr/bin/qemu-ga -p /dev/%I
Restart=always
RestartSec=0
[Install]
WantedBy=dev-%i.device

13
qemu-testsuite.changes
View File

@ -1,3 +1,16 @@
-------------------------------------------------------------------
Thu Apr 26 17:20:01 UTC 2018 - brogers@suse.com
- Guard strncpy call with GCC pragma to disable warning about possible
incorrect usage, when in fact it is correct. This is for gcc 8
compatibility (bsc#1090355)
ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
-------------------------------------------------------------------
Mon Apr 23 13:02:30 UTC 2018 - lma@suse.com
- Add WantedBy for enable qemu-ga@.service auto start (bsc#1090369)
-------------------------------------------------------------------
Tue Apr 10 10:50:31 UTC 2018 - kwalter@suse.com

2
qemu-testsuite.spec
View File

@ -225,6 +225,7 @@ Patch1101: seabios-switch-to-python3-as-needed.patch
# PATCH-FIX-OPENSUSE ipxe-stable-buildid.patch brogers@suse.com -- reproducible builds
Patch1200: ipxe-stable-buildid.patch
Patch1201: ipxe-use-gcc6-for-more-compact-code.patch
Patch1202: ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
# sgabios
# PATCH-FIX-OPENSUSE sgabios-stable-buildid.patch brogers@suse.com -- reproducible builds
@ -906,6 +907,7 @@ pushd roms/ipxe
%if 0%{?suse_version} <= 1320
%patch1201 -p1
%endif
%patch1202 -p1
popd
pushd roms/sgabios

13
qemu.changes
View File

@ -1,3 +1,16 @@
-------------------------------------------------------------------
Thu Apr 26 17:20:01 UTC 2018 - brogers@suse.com
- Guard strncpy call with GCC pragma to disable warning about possible
incorrect usage, when in fact it is correct. This is for gcc 8
compatibility (bsc#1090355)
ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
-------------------------------------------------------------------
Mon Apr 23 13:02:30 UTC 2018 - lma@suse.com
- Add WantedBy for enable qemu-ga@.service auto start (bsc#1090369)
-------------------------------------------------------------------
Tue Apr 10 10:50:31 UTC 2018 - kwalter@suse.com

2
qemu.spec
View File

@ -225,6 +225,7 @@ Patch1101: seabios-switch-to-python3-as-needed.patch
# PATCH-FIX-OPENSUSE ipxe-stable-buildid.patch brogers@suse.com -- reproducible builds
Patch1200: ipxe-stable-buildid.patch
Patch1201: ipxe-use-gcc6-for-more-compact-code.patch
Patch1202: ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
# sgabios
# PATCH-FIX-OPENSUSE sgabios-stable-buildid.patch brogers@suse.com -- reproducible builds
@ -906,6 +907,7 @@ pushd roms/ipxe
%if 0%{?suse_version} <= 1320
%patch1201 -p1
%endif
%patch1202 -p1
popd
pushd roms/sgabios

2
qemu.spec.in
View File

@ -147,6 +147,7 @@ Patch1101: seabios-switch-to-python3-as-needed.patch
# PATCH-FIX-OPENSUSE ipxe-stable-buildid.patch brogers@suse.com -- reproducible builds
Patch1200: ipxe-stable-buildid.patch
Patch1201: ipxe-use-gcc6-for-more-compact-code.patch
patch1202: ipxe-efi-guard-strncpy-with-gcc-warning-ignore-pragma.patch
# sgabios
# PATCH-FIX-OPENSUSE sgabios-stable-buildid.patch brogers@suse.com -- reproducible builds
@ -749,6 +750,7 @@ pushd roms/ipxe
%if 0%{?suse_version} <= 1320
%patch1201 -p1
%endif
%patch1202 -p1
popd
pushd roms/sgabios