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[3.16.y-ckt,150/183] efi: Small leak on error in runtime map code

Message ID 1425635874-19087-151-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques March 6, 2015, 9:57 a.m. UTC 
3.16.7-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@oracle.com>

commit 86d68a58d00db3770735b5919ef2c6b12d7f06f3 upstream.

The "> 0" here should ">= 0" so we free map_entries[0].

Fixes: 926172d46038 ('efi: Export EFI runtime memory mapping to sysfs')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 drivers/firmware/efi/runtime-map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c
index 97cdd16a2169..c98b101a73ae 100644
--- a/drivers/firmware/efi/runtime-map.c
+++ b/drivers/firmware/efi/runtime-map.c
@@ -170,7 +170,7 @@  int __init efi_runtime_map_init(struct kobject *efi_kobj)
 
 	return 0;
 out_add_entry:
-	for (j = i - 1; j > 0; j--) {
+	for (j = i - 1; j >= 0; j--) {
 		entry = *(map_entries + j);
 		kobject_put(&entry->kobj);
 	}