[PATCH V2 1/2] powerpc/powernv/opal-dump : Handles opal_dump_info properly

Mukesh Ojha mukesh02 at linux.vnet.ibm.com
Tue Feb 21 00:22:10 AEDT 2017


Moves the return value check of 'opal_dump_info' to a proper place which
was previously unnecessarily filling all the dump info even on failure.

Signed-off-by: Mukesh Ojha <mukesh02 at linux.vnet.ibm.com>
Acked-by: Stewart Smith <stewart at linux.vnet.ibm.com>
Acked-by: Jeremy Kerr <jk at ozlabs.org>
---
 arch/powerpc/platforms/powernv/opal-dump.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index 4c82782..ae32212 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -225,13 +225,16 @@ static int64_t dump_read_info(uint32_t *dump_id, uint32_t *dump_size, uint32_t *
 	if (rc == OPAL_PARAMETER)
 		rc = opal_dump_info(&id, &size);
 
+	if (rc) {
+		pr_warn("%s: Failed to get dump info (%d)\n",
+			__func__, rc);
+		return rc;
+	}
+
 	*dump_id = be32_to_cpu(id);
 	*dump_size = be32_to_cpu(size);
 	*dump_type = be32_to_cpu(type);
 
-	if (rc)
-		pr_warn("%s: Failed to get dump info (%d)\n",
-			__func__, rc);
 	return rc;
 }
 
-- 
2.7.4



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