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-rw-r--r--tools/libxc/xenctrl.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h
index 40ee8fce2a..5697765a17 100644
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -1827,7 +1827,7 @@ int xc_cpuid_set(xc_interface *xch,
int xc_cpuid_apply_policy(xc_interface *xch,
domid_t domid);
void xc_cpuid_to_str(const unsigned int *regs,
- char **strs);
+ char **strs); /* some strs[] may be NULL if ENOMEM */
int xc_mca_op(xc_interface *xch, struct xen_mc *mc);
#endif