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authorQiushi Wu <wu000273@umn.edu>2020-05-28 13:38:04 -0500
committerSasha Levin <sashal@kernel.org>2020-06-30 15:38:42 -0400
commit83fc0cb8db7adf36a75f6cf55820ee386721bd1b (patch)
tree4ee020f4b29cc2662e818a1922cf42811d37933c /drivers/firmware
parent7e2632caa9b4591aa82fbba57f3b927552545f92 (diff)
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efi/esrt: Fix reference count leak in esre_create_sysfs_entry.
[ Upstream commit 4ddf4739be6e375116c375f0a68bf3893ffcee21 ] kobject_init_and_add() takes reference even when it fails. If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Previous commit "b8eb718348b8" fixed a similar problem. Fixes: 0bb549052d33 ("efi: Add esrt support") Signed-off-by: Qiushi Wu <wu000273@umn.edu> Link: https://lore.kernel.org/r/20200528183804.4497-1-wu000273@umn.edu Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/efi/esrt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
index 241dd7c63d2c..481b2f0a190b 100644
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -180,7 +180,7 @@ static int esre_create_sysfs_entry(void *esre, int entry_num)
rc = kobject_init_and_add(&entry->kobj, &esre1_ktype, NULL,
"entry%d", entry_num);
if (rc) {
- kfree(entry);
+ kobject_put(&entry->kobj);
return rc;
}
}