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xen
66450627-x86-respect-mapcache_domain_init-faili...
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File 66450627-x86-respect-mapcache_domain_init-failing.patch of Package xen
# Commit 7270fdc7a0028d4b7b26fd1b36c6b9e97abcf3da # Date 2024-05-15 19:59:52 +0100 # Author Jan Beulich <jbeulich@suse.com> # Committer Andrew Cooper <andrew.cooper3@citrix.com> x86: respect mapcache_domain_init() failing The function itself properly handles and hands onwards failure from create_perdomain_mapping(). Therefore its caller should respect possible failure, too. Fixes: 4b28bf6ae90b ("x86: re-introduce map_domain_page() et al") Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Roger Pau Monné <roger.pau@citrix.com> --- a/xen/arch/x86/domain.c +++ b/xen/arch/x86/domain.c @@ -850,7 +850,8 @@ int arch_domain_create(struct domain *d, } else if ( is_pv_domain(d) ) { - mapcache_domain_init(d); + if ( (rc = mapcache_domain_init(d)) != 0 ) + goto fail; if ( (rc = pv_domain_initialise(d)) != 0 ) goto fail;
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