diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-08-31 17:54:18 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-08-31 18:05:25 +0200 |
commit | bbe69aa57a7374b51242b95a54eefcf0d0393b7e (patch) | |
tree | c45e48d11cc9cb81a57c8c27f7243863b117cec8 /drivers/rtc/rtc-cmos.c | |
parent | a417887637e862b434b293404f2a31ad1f282a58 (diff) | |
parent | 326ba5010a5429a5a528b268b36a5900d4ab0eba (diff) |
Merge commit 'v2.6.31-rc8' into core/locking
Merge reason: we were on -rc4, move to -rc8 before applying
a new batch of locking infrastructure changes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/rtc/rtc-cmos.c')
-rw-r--r-- | drivers/rtc/rtc-cmos.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 23e10b6263d..f7a4701bf86 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -1174,23 +1174,34 @@ static struct platform_driver cmos_platform_driver = { } }; +#ifdef CONFIG_PNP +static bool pnp_driver_registered; +#endif +static bool platform_driver_registered; + static int __init cmos_init(void) { int retval = 0; #ifdef CONFIG_PNP - pnp_register_driver(&cmos_pnp_driver); + retval = pnp_register_driver(&cmos_pnp_driver); + if (retval == 0) + pnp_driver_registered = true; #endif - if (!cmos_rtc.dev) + if (!cmos_rtc.dev) { retval = platform_driver_probe(&cmos_platform_driver, cmos_platform_probe); + if (retval == 0) + platform_driver_registered = true; + } if (retval == 0) return 0; #ifdef CONFIG_PNP - pnp_unregister_driver(&cmos_pnp_driver); + if (pnp_driver_registered) + pnp_unregister_driver(&cmos_pnp_driver); #endif return retval; } @@ -1199,9 +1210,11 @@ module_init(cmos_init); static void __exit cmos_exit(void) { #ifdef CONFIG_PNP - pnp_unregister_driver(&cmos_pnp_driver); + if (pnp_driver_registered) + pnp_unregister_driver(&cmos_pnp_driver); #endif - platform_driver_unregister(&cmos_platform_driver); + if (platform_driver_registered) + platform_driver_unregister(&cmos_platform_driver); } module_exit(cmos_exit); |