diff mbox series

[5.12,283/363] xen/unpopulated-alloc: fix error return code in fill_list()

Message ID 20210517140312.174948868@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH May 17, 2021, 2:02 p.m. UTC 
From: Zhen Lei <thunder.leizhen@huawei.com>


[ Upstream commit dbc03e81586fc33e4945263fd6e09e22eb4b980f ]

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: a4574f63edc6 ("mm/memremap_pages: convert to 'struct range'")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>

Reviewed-by: Juergen Gross <jgross@suse.com>

Link: https://lore.kernel.org/r/20210508021913.1727-1-thunder.leizhen@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>

Signed-off-by: Sasha Levin <sashal@kernel.org>

---
 drivers/xen/unpopulated-alloc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

-- 
2.30.2
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Patch

diff --git a/drivers/xen/unpopulated-alloc.c b/drivers/xen/unpopulated-alloc.c
index e64e6befc63b..87e6b7db892f 100644
--- a/drivers/xen/unpopulated-alloc.c
+++ b/drivers/xen/unpopulated-alloc.c
@@ -39,8 +39,10 @@  static int fill_list(unsigned int nr_pages)
 	}
 
 	pgmap = kzalloc(sizeof(*pgmap), GFP_KERNEL);
-	if (!pgmap)
+	if (!pgmap) {
+		ret = -ENOMEM;
 		goto err_pgmap;
+	}
 
 	pgmap->type = MEMORY_DEVICE_GENERIC;
 	pgmap->range = (struct range) {