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-rw-r--r--include/linux/libata.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index e2dac33eae96..69d66d0dca5d 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -499,6 +499,7 @@ enum hsm_task_states {
};
enum ata_completion_errors {
+ AC_ERR_OK = 0, /* no error */
AC_ERR_DEV = (1 << 0), /* device reported error */
AC_ERR_HSM = (1 << 1), /* host state machine violation */
AC_ERR_TIMEOUT = (1 << 2), /* timeout */