Messages in this thread Patch in this message | | | Date | Sun, 29 Oct 2006 22:48:49 +0100 | From | Wim Van Sebroeck <> | Subject | [WATCHDOG] sc1200wdt - fix missing pnp_unregister_driver() |
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Hi Linus, Greg, Stable-team,
There is a bug in the sc1200wdt code where the pnp driver is not being unregistered in certain error situations. I think it's worth having the fix in 2.6.19 and the next stable version of 2.6.18.
So please pull from 'master' branch of git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git or if master.kernel.org hasn't synced up yet: master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
This will update the following files:
drivers/char/watchdog/sc1200wdt.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
with these Changes:
Author: Akinobu Mita <akinobu.mita@gmail.com> Date: Sun Oct 29 03:43:19 2006 +0900
[WATCHDOG] sc1200wdt.c pnp unregister fix. If no devices found or invalid parameter is specified, scl200wdt_pnp_driver is left unregistered. It breaks global list of pnp drivers. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@osdl.org>
The Changes can also be looked at on: http://www.kernel.org/git/?p=linux/kernel/git/wim/linux-2.6-watchdog.git;a=summary
For completeness, I added the overal diff below.
Greetings, Wim.
================================================================================ diff --git a/drivers/char/watchdog/sc1200wdt.c b/drivers/char/watchdog/sc1200wdt.c index d8d0f28..e323983 100644 --- a/drivers/char/watchdog/sc1200wdt.c +++ b/drivers/char/watchdog/sc1200wdt.c @@ -392,7 +392,7 @@ #endif if (io == -1) { printk(KERN_ERR PFX "io parameter must be specified\n"); ret = -EINVAL; - goto out_clean; + goto out_pnp; } #if defined CONFIG_PNP @@ -405,7 +405,7 @@ #endif if (!request_region(io, io_len, SC1200_MODULE_NAME)) { printk(KERN_ERR PFX "Unable to register IO port %#x\n", io); ret = -EBUSY; - goto out_clean; + goto out_pnp; } ret = sc1200wdt_probe(); @@ -435,6 +435,11 @@ out_rbt: out_io: release_region(io, io_len); +out_pnp: +#if defined CONFIG_PNP + if (isapnp) + pnp_unregister_driver(&scl200wdt_pnp_driver); +#endif goto out_clean; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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