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-rw-r--r--tools/libxl/libxl_internal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index cba3616f75..0b38e3e8bc 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -1041,7 +1041,7 @@ static inline void libxl__domaindeathcheck_stop(libxl__gc *gc,
* type of file using the PHY backend
* st_mode: mode_t of the file, as returned by stat function
*
- * Returns 0 on success, and < 0 on error.
+ * Returns 1 on success, and 0 if not suitable for phy backend.
*/
_hidden int libxl__try_phy_backend(mode_t st_mode);