From: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
[ 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@xxxxxxxxxx>
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
Link: https://lore.kernel.org/r/20210508021913.1727-1-thunder.leizhen@xxxxxxxxxx
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/xen/unpopulated-alloc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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) {
--
2.30.2
