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libxc: only munmap when something has actually been mapped in change_pte
Coverity-ID: 1055269 signed-off-by: Matthew Daley <mattjd@gmail.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
This commit is contained in:
Matthew Daley authored and Ian Campbell committed
1 parent
c8f5eb4b80
commit
c827d7f39f
1 file changed
+3
-3
@@ -317,10 +317,10 @@ static int change_pte(xc_interface *xch, int domid,
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goto failed;
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}
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}
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}
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munmap(content, PAGE_SIZE);
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content = NULL;
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munmap(content, PAGE_SIZE);
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content = NULL;
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}
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}
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if ( xc_flush_mmu_updates(xch, mmu) )
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