diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2017-11-15 13:00:45 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-28 16:57:18 +0100 |
| commit | 0631fb8b027f5968c2f5031f0b3ff7be3e4bebcc (patch) | |
| tree | 6018880561ec565324354bf2919a8c9237a5263e /drivers/firmware | |
| parent | e4b28b3c3a405b251fa25db58abe1512814a680a (diff) | |
firmware: vpd: Fix platform driver and device registration/unregistration
The driver exit function needs to unregister both platform device and
driver. Also, during registration, register driver first and perform
error checks.
Fixes: 049a59db34eb ("firmware: Google VPD sysfs driver")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable <stable@vger.kernel.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/google/vpd.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c index 942e358efa60..e4b40f2b4627 100644 --- a/drivers/firmware/google/vpd.c +++ b/drivers/firmware/google/vpd.c @@ -326,21 +326,29 @@ static struct platform_driver vpd_driver = { }, }; +static struct platform_device *vpd_pdev; + static int __init vpd_platform_init(void) { - struct platform_device *pdev; + int ret; - pdev = platform_device_register_simple("vpd", -1, NULL, 0); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); + ret = platform_driver_register(&vpd_driver); + if (ret) + return ret; - platform_driver_register(&vpd_driver); + vpd_pdev = platform_device_register_simple("vpd", -1, NULL, 0); + if (IS_ERR(vpd_pdev)) { + platform_driver_unregister(&vpd_driver); + return PTR_ERR(vpd_pdev); + } return 0; } static void __exit vpd_platform_exit(void) { + platform_device_unregister(vpd_pdev); + platform_driver_unregister(&vpd_driver); } module_init(vpd_platform_init); |