From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Add the missing iounmap() before return from erst_exec_move_data()
in the error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
---
drivers/acpi/apei/erst.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index f7b3b39..7af21ed 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -284,8 +284,10 @@ static int erst_exec_move_data(struct apei_exec_context *ctx,
if (!src)
return -ENOMEM;
dst = ioremap(ctx->dst_base + offset, ctx->var2);
- if (!dst)
+ if (!dst) {
+ iounmap(src);
return -ENOMEM;
+ }
memmove(dst, src, ctx->var2);
--
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