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authorMarkus Armbruster <armbru@redhat.com>2019-12-04 10:36:14 +0100
committerMarkus Armbruster <armbru@redhat.com>2019-12-18 08:36:15 +0100
commitbc0e339b01b330c55532571ae6fce89b0f8a4a96 (patch)
treeb46fbe66d2f58fcdc48a4a5da1718c51742948f4 /hw/mem/memory-device.c
parent49e3e11f8f27a75070062965c097e3feacc5d029 (diff)
downloadfocaccia-qemu-bc0e339b01b330c55532571ae6fce89b0f8a4a96.tar.gz
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hw/core: Fix fit_load_fdt() error API violations
fit_load_fdt() passes @errp to fit_image_addr(), then recovers from
ENOENT failures.  Passing @errp is wrong, because it works only as
long as @errp is neither @error_fatal nor @error_abort.  Error
recovery dereferences @errp.  That's also wrong; see the big comment
in error.h.  Error recovery can leave *errp pointing to a freed
Error object.  Wrong, it must be null on success.  Messed up in
commit 3eb99edb48 "loader-fit: Wean off error_printf()".

No caller actually passes such values, or uses *errp on success.

Fix anyway: splice in a local Error *err, and error_propagate().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191204093625.14836-8-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Diffstat (limited to 'hw/mem/memory-device.c')
0 files changed, 0 insertions, 0 deletions