64 lines
2.6 KiB
Diff
64 lines
2.6 KiB
Diff
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From 1bf4552b6faded64ac89c6a25bcff9f912f2667d Mon Sep 17 00:00:00 2001
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From: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
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Date: Fri, 11 Mar 2022 19:16:34 -0300
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Subject: [PATCH] block-qdict: Fix -Werror=maybe-uninitialized build failure
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Content-type: text/plain
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Building QEMU on Fedora 37 (Rawhide Prerelease) ppc64le failed with the
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following error:
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$ ../configure --prefix=/usr/local/qemu-disabletcg --target-list=ppc-softmmu,ppc64-softmmu --disable-tcg --disable-linux-user
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...
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$ make -j$(nproc)
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...
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In file included from /root/qemu/include/qapi/qmp/qdict.h:16,
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from /root/qemu/include/block/qdict.h:13,
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from ../qobject/block-qdict.c:11:
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/root/qemu/include/qapi/qmp/qobject.h: In function ‘qdict_array_split’:
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/root/qemu/include/qapi/qmp/qobject.h:49:17: error: ‘subqdict’ may be used uninitialized [-Werror=maybe-uninitialized]
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49 | typeof(obj) _obj = (obj); \
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| ^~~~
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../qobject/block-qdict.c:227:16: note: ‘subqdict’ declared here
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227 | QDict *subqdict;
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| ^~~~~~~~
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cc1: all warnings being treated as errors
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Fix build failure by expanding the ternary operation.
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Tested with `make check-unit` (the check-block-qdict test passed).
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Signed-off-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
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Cc: Kevin Wolf <kwolf@redhat.com>
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Cc: Hanna Reitz <hreitz@redhat.com>
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Cc: Markus Armbruster <armbru@redhat.com>
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Message-Id: <20220311221634.58288-1-muriloo@linux.ibm.com>
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Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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(cherry picked from commit 79854b95446396c8e7f397800c5d86c3d9a7540d)
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---
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qobject/block-qdict.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/qobject/block-qdict.c b/qobject/block-qdict.c
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index 1487cc5dd8..4a83bda2c3 100644
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--- a/qobject/block-qdict.c
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+++ b/qobject/block-qdict.c
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@@ -251,12 +251,12 @@ void qdict_array_split(QDict *src, QList **dst)
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if (is_subqdict) {
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qdict_extract_subqdict(src, &subqdict, prefix);
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assert(qdict_size(subqdict) > 0);
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+ qlist_append_obj(*dst, QOBJECT(subqdict));
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} else {
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qobject_ref(subqobj);
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qdict_del(src, indexstr);
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+ qlist_append_obj(*dst, subqobj);
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}
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-
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- qlist_append_obj(*dst, subqobj ?: QOBJECT(subqdict));
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}
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}
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