Patch "powerpc/powernv/opal-dump : Use IRQ_HANDLED instead of numbers in interrupt handler" has been added to the 4.14-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    powerpc/powernv/opal-dump : Use IRQ_HANDLED instead of numbers in interrupt handler

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     powerpc-powernv-opal-dump-use-irq_handled-instead-of.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 18abfb69b5d9779c6cda594c0878f7e6973bc51b
Author: Mukesh Ojha <mukesh02@xxxxxxxxxxxxxxxxxx>
Date:   Mon Feb 20 18:52:11 2017 +0530

    powerpc/powernv/opal-dump : Use IRQ_HANDLED instead of numbers in interrupt handler
    
    [ Upstream commit b29336c0e1785a28bc40a9fd47c2321671e9792e ]
    
    Fixes: 8034f715f ("powernv/opal-dump: Convert to irq domain")
    
    Converts all the return explicit number to a more proper IRQ_HANDLED,
    which looks proper incase of interrupt handler returning case.
    
    Here, It also removes error message like "nobody cared" which was
    getting unveiled while returning -1 or 0 from handler.
    
    Signed-off-by: Mukesh Ojha <mukesh02@xxxxxxxxxxxxxxxxxx>
    Reviewed-by: Vasant Hegde <hegdevasant@xxxxxxxxxxxxxxxxxx>
    Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index e21e2c0af69d2..1a8b6e276a112 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -385,13 +385,12 @@ static irqreturn_t process_dump(int irq, void *data)
 {
 	int rc;
 	uint32_t dump_id, dump_size, dump_type;
-	struct dump_obj *dump;
 	char name[22];
 	struct kobject *kobj;
 
 	rc = dump_read_info(&dump_id, &dump_size, &dump_type);
 	if (rc != OPAL_SUCCESS)
-		return rc;
+		return IRQ_HANDLED;
 
 	sprintf(name, "0x%x-0x%x", dump_type, dump_id);
 
@@ -403,12 +402,10 @@ static irqreturn_t process_dump(int irq, void *data)
 	if (kobj) {
 		/* Drop reference added by kset_find_obj() */
 		kobject_put(kobj);
-		return 0;
+		return IRQ_HANDLED;
 	}
 
-	dump = create_dump_obj(dump_id, dump_size, dump_type);
-	if (!dump)
-		return -1;
+	create_dump_obj(dump_id, dump_size, dump_type);
 
 	return IRQ_HANDLED;
 }