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nv50: fix potential null deref in insn modifer optimization pass

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Bug introduced in 34980cd153.
This commit is contained in:
Christoph Bumiller
2011-08-19 16:57:30 +02:00
parent e975e18beb
commit 778997f9df
1 changed files with 4 additions and 2 deletions
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6
src/gallium/drivers/nv50/nv50_pc_optimize.c
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@@ -462,8 +462,10 @@ nv_pass_lower_mods(struct nv_pass *ctx, struct nv_basic_block *b)
mi->saturate = 1; mi->saturate = 1;
mi->def[0] = nvi->def[0]; mi->def[0] = nvi->def[0];
mi->def[0]->insn = mi; mi->def[0]->insn = mi;
mi->flags_def = nvi->flags_def; if (nvi->flags_def) {
mi->flags_def->insn = mi; mi->flags_def = nvi->flags_def;
mi->flags_def->insn = mi;
}
nv_nvi_delete(nvi); nv_nvi_delete(nvi);
} }
} }