Fix a memory leak by freeing the memory allocated in kobject_set_name
for the kobjet name.
unreferenced object 0xe2167700 (size 64):
comm "swapper/0", pid 1, jiffies 4294938161 (age 90.540s)
hex dump (first 32 bytes):
6d 61 67 6e 65 74 69 63 00 11 c2 c0 1f e9 23 c1 magnetic......#.
18 00 00 00 04 66 9b e4 e0 66 9b e4 94 76 16 e2 .....f...f...v..
backtrace:
[<c0fb49dc>] kmemleak_alloc+0x3c/0xa0
[<c0936cb5>] __kmalloc_track_caller+0x115/0x1d0
[<c0b6b753>] kvasprintf+0x33/0x60
[<c0b5fae2>] kobject_set_name_vargs+0x22/0x60
[<c0b5fb31>] kobject_set_name+0x11/0x20
[<c0c1f93e>] __class_register+0x8e/0x1e0
[<c0c1fadb>] __class_create+0x4b/0x70
[<c1417d61>] mmc3524x_init+0x18/0x97
[<c080046c>] do_one_initcall+0xbc/0x190
[<c13e0b47>] kernel_init_freeable+0xea/0x18c
[<c0fb2fd0>] kernel_init+0x10/0xe0
[<c0fc3337>] ret_from_kernel_thread+0x1b/0x28
[<ffffffff>] 0xffffffff
Signed-off-by: Chen Lin Z <[email protected]>
---
drivers/base/class.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 6e81088..f6e7f53 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -200,6 +200,7 @@ int __class_register(struct class *cls, struct
lock_class_key *key)
error = kset_register(&cp->subsys);
if (error) {
+ kfree(cp->subsys.kobj.name);
kfree(cp);
return error;
}
--
1.9.1
--
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