Author: avg
Date: Fri Jan 20 13:21:27 2017
New Revision: 312531
URL: https://svnweb.freebsd.org/changeset/base/312531
Log:
vmm_dev: work around a bogus error with gcc 6.3.0
The error is:
vmm_dev.c: In function 'alloc_memseg':
vmm_dev.c:261:11: error: null argument where non-null required (argument 1)
[-Werror=nonnull]
Apparently, the gcc is unable to figure out that if a ternary operator
produced a non-NULL value once, then the operator with exactly the same
operands would produce the same value again.
MFC after: 1 week
Modified:
head/sys/amd64/vmm/vmm_dev.c
Modified: head/sys/amd64/vmm/vmm_dev.c
==============================================================================
--- head/sys/amd64/vmm/vmm_dev.c Fri Jan 20 13:01:25 2017
(r312530)
+++ head/sys/amd64/vmm/vmm_dev.c Fri Jan 20 13:21:27 2017
(r312531)
@@ -258,7 +258,7 @@ alloc_memseg(struct vmmdev_softc *sc, st
if (VM_MEMSEG_NAME(mseg)) {
sysmem = false;
name = malloc(SPECNAMELEN + 1, M_VMMDEV, M_WAITOK);
- error = copystr(VM_MEMSEG_NAME(mseg), name, SPECNAMELEN + 1, 0);
+ error = copystr(mseg->name, name, SPECNAMELEN + 1, 0);
if (error)
goto done;
}
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