powerpc/powernv: Change BUG_ON to WARN_ON in elog code

We can continue to read the error log (up to MAX size) even if
we get the elog size more than MAX size. Hence change BUG_ON to
WARN_ON.

Also updated error message.

Reported-by: Gopesh Kumar Chaudhary <[email protected]>
Signed-off-by: Vasant Hegde <[email protected]>
Signed-off-by: Ananth N Mavinakayanahalli <[email protected]>
Acked-by: Deepthi Dharwar <[email protected]>
Acked-by: Stewart Smith <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>

diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index 10268c41d8302dd39ed73f4e0ad98dd6deb5e25f..0ad533b617f7888e5c45c27fd7ad4e7671e80f8c 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -249,7 +249,7 @@ static void elog_work_fn(struct work_struct *work)
 
        rc = opal_get_elog_size(&id, &size, &type);
        if (rc != OPAL_SUCCESS) {
-               pr_err("ELOG: Opal log read failed\n");
+               pr_err("ELOG: OPAL log info read failed\n");
                return;
        }
 
@@ -257,7 +257,7 @@ static void elog_work_fn(struct work_struct *work)
        log_id = be64_to_cpu(id);
        elog_type = be64_to_cpu(type);
 
-       BUG_ON(elog_size > OPAL_MAX_ERRLOG_SIZE);
+       WARN_ON(elog_size > OPAL_MAX_ERRLOG_SIZE);
 
        if (elog_size >= OPAL_MAX_ERRLOG_SIZE)
                elog_size  =  OPAL_MAX_ERRLOG_SIZE;