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xen: update PV-device interface headers

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Update the Xen PV-device interface headers in order to avoid undefined
behavior with flexible arrays being defined with one array element.

Reported-by: Pry Mar <pryorm09@gmail.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Link: https://lore.kernel.org/r/20231205115121.11627-1-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Juergen Gross 2023-12-05 12:51:21 +01:00
parent 0dd3ee3112
commit 125c0a646a
3 changed files with 3 additions and 3 deletions
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2
include/xen/interface/io/displif.h
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@ -537,7 +537,7 @@ struct xendispl_dbuf_create_req {
struct xendispl_page_directory { struct xendispl_page_directory {
grant_ref_t gref_dir_next_page; grant_ref_t gref_dir_next_page;
grant_ref_t gref[1]; /* Variable length */ grant_ref_t gref[];
}; };
/* /*

2
include/xen/interface/io/ring.h
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@ -95,7 +95,7 @@ struct __name##_sring { \
RING_IDX req_prod, req_event; \ RING_IDX req_prod, req_event; \
RING_IDX rsp_prod, rsp_event; \ RING_IDX rsp_prod, rsp_event; \
uint8_t __pad[48]; \ uint8_t __pad[48]; \
union __name##_sring_entry ring[1]; /* variable-length */ \ union __name##_sring_entry ring[]; \
}; \ }; \
\ \
/* "Front" end's private variables */ \ /* "Front" end's private variables */ \

2
include/xen/interface/io/sndif.h
View File

@ -659,7 +659,7 @@ struct xensnd_open_req {
struct xensnd_page_directory { struct xensnd_page_directory {
grant_ref_t gref_dir_next_page; grant_ref_t gref_dir_next_page;
grant_ref_t gref[1]; /* Variable length */ grant_ref_t gref[];
}; };
/* /*