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Remove an incorrect optimization. The type IDs of each member of a struct or 

union must be checked when determine whether two types are equivalent. This
bug could cause ctfmerge(1) to incorrectly merge distinct types.

Reviewed by:	Robert Mustacchi <rm@joyent.com>
MFC after:	2 weeks
Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Mark Johnston 2014-11-16 04:10:23 +00:00
parent 7e00348e76
commit 980b4d5365
1 changed files with 3 additions and 11 deletions
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14
cddl/contrib/opensolaris/tools/ctf/cvt/merge.c
View File

@ -287,19 +287,11 @@ equiv_su(tdesc_t *stdp, tdesc_t *ttdp, equiv_data_t *ed)
while (ml1 && ml2) {
if (ml1->ml_offset != ml2->ml_offset ||
strcmp(ml1->ml_name, ml2->ml_name) != 0)
strcmp(ml1->ml_name, ml2->ml_name) != 0 ||
ml1->ml_size != ml2->ml_size ||
!equiv_node(ml1->ml_type, ml2->ml_type, ed))
return (0);
/*
* Don't do the recursive equivalency checking more than
* we have to.
*/
if (olm1 == NULL || olm1->ml_type->t_id != ml1->ml_type->t_id) {
if (ml1->ml_size != ml2->ml_size ||
!equiv_node(ml1->ml_type, ml2->ml_type, ed))
return (0);
}
olm1 = ml1;
ml1 = ml1->ml_next;
ml2 = ml2->ml_next;