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dump: Assert cpu_get_note_size() can't fail 

The only way cpu_get_note_size() can return a negative value is
integer overflow in the non-stub versions, which is a programming
error.  The stub version is not actually reachable, because the
cpu_get_dump_info() stub will fail first.  Use assert().  This gets
rid of another use of QERR_UNSUPPORTED.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230207075115.1525-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Markus Armbruster 2023-02-07 08:51:06 +01:00
parent f969c627e3
commit f1a4697c23
1 changed files with 1 additions and 4 deletions
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5
dump/dump.c
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@ -1865,10 +1865,7 @@ static void dump_init(DumpState *s, int fd, bool has_format,
s->note_size = cpu_get_note_size(s->dump_info.d_class,
s->dump_info.d_machine, nr_cpus);
if (s->note_size < 0) {
error_setg(errp, QERR_UNSUPPORTED);
goto cleanup;
}
assert(s->note_size >= 0);
/*
* The goal of this block is to (a) update the previously guessed