From cab9ee0812f6784117db40cbbe17f9936bfb4c3d Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 24 Jun 2015 17:30:15 +0300 Subject: [PATCH] ACPI / resources: free memory on error in add_region_before() commit 7bc10388ccdd79b3d20463151a1f8e7a590a775b upstream. There is a small memory leak on error. Fixes: 0f1b414d1907 (ACPI / PNP: Avoid conflicting resource reservations) Signed-off-by: Dan Carpenter Signed-off-by: Rafael J. Wysocki Signed-off-by: Jiri Slaby --- drivers/acpi/resource.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 28314ba823202..3760e9635aeac 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -577,8 +577,10 @@ static int add_region_before(u64 start, u64 end, u8 space_id, return -ENOMEM; error = request_range(start, end, space_id, flags, desc); - if (error) + if (error) { + kfree(reg); return error; + } reg->start = start; reg->end = end; -- 2.47.2