diff options
| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-04-25 15:07:47 +0800 |
|---|---|---|
| committer | Kent Yoder <key@linux.vnet.ibm.com> | 2013-05-21 12:24:48 -0500 |
| commit | 4fba3c3ba5c6b7803f36db7d56a58fa3226458d9 (patch) | |
| tree | e389f3d78fa3539a14740958fde42cafb158b145 /drivers/char/tpm | |
| parent | 4726e8fa1dcad533362475ebf91f70d5b6b6292f (diff) | |
| download | linux-4fba3c3ba5c6b7803f36db7d56a58fa3226458d9.tar.gz linux-4fba3c3ba5c6b7803f36db7d56a58fa3226458d9.tar.xz | |
tpm_tis: missing platform_driver_unregister() on error in init_tis()
Add the missing platform_driver_unregister() before return
from init_tis() in the device register error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/char/tpm')
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 8a41b6be23a0..4519cb332987 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -884,12 +884,19 @@ static int __init init_tis(void) rc = platform_driver_register(&tis_drv); if (rc < 0) return rc; - if (IS_ERR(pdev=platform_device_register_simple("tpm_tis", -1, NULL, 0))) - return PTR_ERR(pdev); - if((rc=tpm_tis_init(&pdev->dev, TIS_MEM_BASE, TIS_MEM_LEN, 0)) != 0) { - platform_device_unregister(pdev); - platform_driver_unregister(&tis_drv); + pdev = platform_device_register_simple("tpm_tis", -1, NULL, 0); + if (IS_ERR(pdev)) { + rc = PTR_ERR(pdev); + goto err_dev; } + rc = tpm_tis_init(&pdev->dev, TIS_MEM_BASE, TIS_MEM_LEN, 0); + if (rc) + goto err_init; + return 0; +err_init: + platform_device_unregister(pdev); +err_dev: + platform_driver_unregister(&tis_drv); return rc; } |