The patch titled agp: correct missing cleanup on error in agp_add_bridge has been added to the -mm tree. Its filename is agp-correct-missing-cleanup-on-error-in-agp_add_bridge.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: agp: correct missing cleanup on error in agp_add_bridge From: Kevin Winchester <kjwinchester@xxxxxxxxx> While investigating a kmemleak detected leak, I encountered the agp_add_bridge function. It appears to be responsible for freeing the agp_bridge_data in the case of a failure, but it is only doing so for some errors. Fix it to always free the bridge data if a failure condition is encountered. Signed-off-by: Kevin Winchester <kjwinchester@xxxxxxxxx> Cc: Dave Airlie <airlied@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/char/agp/backend.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff -puN drivers/char/agp/backend.c~agp-correct-missing-cleanup-on-error-in-agp_add_bridge drivers/char/agp/backend.c --- a/drivers/char/agp/backend.c~agp-correct-missing-cleanup-on-error-in-agp_add_bridge +++ a/drivers/char/agp/backend.c @@ -263,18 +263,22 @@ int agp_add_bridge(struct agp_bridge_dat { int error; - if (agp_off) - return -ENODEV; + if (agp_off) { + error = -ENODEV; + goto err_put_bridge; + } if (!bridge->dev) { printk (KERN_DEBUG PFX "Erk, registering with no pci_dev!\n"); - return -EINVAL; + error = -EINVAL; + goto err_put_bridge; } /* Grab reference on the chipset driver. */ if (!try_module_get(bridge->driver->owner)) { dev_info(&bridge->dev->dev, "can't lock chipset driver\n"); - return -EINVAL; + error = -EINVAL; + goto err_put_bridge; } error = agp_backend_initialize(bridge); @@ -304,6 +308,7 @@ frontend_err: agp_backend_cleanup(bridge); err_out: module_put(bridge->driver->owner); +err_put_bridge: agp_put_bridge(bridge); return error; } _ Patches currently in -mm which might be from kjwinchester@xxxxxxxxx are agp-correct-missing-cleanup-on-error-in-agp_add_bridge.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html