From: Chen Zhongjin chenzhongjin@huawei.com
[ Upstream commit bb0cd225dd37df1f4a22e36dad59ff33178ecdfc ]
In efct_device_init(), when efct_scsi_reg_fc_transport() fails, efct_scsi_tgt_driver_exit() is not called to release memory for efct_scsi_tgt_driver_init() and causes memleak:
unreferenced object 0xffff8881020ce000 (size 2048): comm "modprobe", pid 465, jiffies 4294928222 (age 55.872s) backtrace: [<0000000021a1ef1b>] kmalloc_trace+0x27/0x110 [<000000004c3ed51c>] target_register_template+0x4fd/0x7b0 [target_core_mod] [<00000000f3393296>] efct_scsi_tgt_driver_init+0x18/0x50 [efct] [<00000000115de533>] 0xffffffffc0d90011 [<00000000d608f646>] do_one_initcall+0xd0/0x4e0 [<0000000067828cf1>] do_init_module+0x1cc/0x6a0 ...
Fixes: 4df84e846624 ("scsi: elx: efct: Driver initialization routines") Signed-off-by: Chen Zhongjin chenzhongjin@huawei.com Link: https://lore.kernel.org/r/20221111074046.57061-1-chenzhongjin@huawei.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/scsi/elx/efct/efct_driver.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/elx/efct/efct_driver.c b/drivers/scsi/elx/efct/efct_driver.c index eab68fd9337a..37e1ab96ee5b 100644 --- a/drivers/scsi/elx/efct/efct_driver.c +++ b/drivers/scsi/elx/efct/efct_driver.c @@ -42,6 +42,7 @@ efct_device_init(void)
rc = efct_scsi_reg_fc_transport(); if (rc) { + efct_scsi_tgt_driver_exit(); pr_err("failed to register to FC host\n"); return rc; }