Re: [tip:sched/urgent] sched/cpufreq: Fix kobject memleak
On Tue, Apr 30, 2019 at 11:26:27AM +0530, Viresh Kumar wrote: > On 29-04-19, 22:52, tip-bot for Tobin C. Harding wrote: > > Commit-ID: 8bf7ab9c79f3d1a5f02ebac369f656de9ec0aca8 > > Gitweb: > > https://git.kernel.org/tip/8bf7ab9c79f3d1a5f02ebac369f656de9ec0aca8 > > Author: Tobin C. Harding > > AuthorDate: Tue, 30 Apr 2019 10:11:44 +1000 > > Committer: Ingo Molnar > > CommitDate: Tue, 30 Apr 2019 06:24:09 +0200 > > > > sched/cpufreq: Fix kobject memleak > > > > Currently the error return path from kobject_init_and_add() is not > > followed by a call to kobject_put() - which means we are leaking > > the kobject. > > > > Fix it by adding a call to kobject_put() in the error path of > > kobject_init_and_add(). > > > > Signed-off-by: Tobin C. Harding > > Add call to kobject_put() in error path of kobject_init_and_add(). > > This should have been present before the signed-off ? Thanks. Some face palm fails on this patch. Its hard to get good help :) Tobin
[tip:sched/urgent] sched/cpufreq: Fix kobject memleak
Commit-ID: 9a4f26cc98d81b67ecc23b890c28e2df324e29f3 Gitweb: https://git.kernel.org/tip/9a4f26cc98d81b67ecc23b890c28e2df324e29f3 Author: Tobin C. Harding AuthorDate: Tue, 30 Apr 2019 10:11:44 +1000 Committer: Ingo Molnar CommitDate: Tue, 30 Apr 2019 07:57:23 +0200 sched/cpufreq: Fix kobject memleak Currently the error return path from kobject_init_and_add() is not followed by a call to kobject_put() - which means we are leaking the kobject. Fix it by adding a call to kobject_put() in the error path of kobject_init_and_add(). Signed-off-by: Tobin C. Harding Cc: Greg Kroah-Hartman Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Rafael J. Wysocki Cc: Thomas Gleixner Cc: Tobin C. Harding Cc: Vincent Guittot Cc: Viresh Kumar Link: http://lkml.kernel.org/r/20190430001144.24890-1-to...@kernel.org Signed-off-by: Ingo Molnar --- kernel/sched/cpufreq_schedutil.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 5c41ea367422..3638d2377e3c 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -771,6 +771,7 @@ out: return 0; fail: + kobject_put(>attr_set.kobj); policy->governor_data = NULL; sugov_tunables_free(tunables);
Re: [tip:sched/urgent] sched/cpufreq: Fix kobject memleak
On 29-04-19, 22:52, tip-bot for Tobin C. Harding wrote: > Commit-ID: 8bf7ab9c79f3d1a5f02ebac369f656de9ec0aca8 > Gitweb: > https://git.kernel.org/tip/8bf7ab9c79f3d1a5f02ebac369f656de9ec0aca8 > Author: Tobin C. Harding > AuthorDate: Tue, 30 Apr 2019 10:11:44 +1000 > Committer: Ingo Molnar > CommitDate: Tue, 30 Apr 2019 06:24:09 +0200 > > sched/cpufreq: Fix kobject memleak > > Currently the error return path from kobject_init_and_add() is not > followed by a call to kobject_put() - which means we are leaking > the kobject. > > Fix it by adding a call to kobject_put() in the error path of > kobject_init_and_add(). > > Signed-off-by: Tobin C. Harding > Add call to kobject_put() in error path of kobject_init_and_add(). This should have been present before the signed-off ? > Cc: Greg Kroah-Hartman > Cc: Linus Torvalds > Cc: Peter Zijlstra > Cc: Rafael J. Wysocki > Cc: Thomas Gleixner > Cc: Tobin C. Harding > Cc: Vincent Guittot > Cc: Viresh Kumar > Link: http://lkml.kernel.org/r/20190430001144.24890-1-to...@kernel.org > Signed-off-by: Ingo Molnar > --- > kernel/sched/cpufreq_schedutil.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/sched/cpufreq_schedutil.c > b/kernel/sched/cpufreq_schedutil.c > index 5c41ea367422..3638d2377e3c 100644 > --- a/kernel/sched/cpufreq_schedutil.c > +++ b/kernel/sched/cpufreq_schedutil.c > @@ -771,6 +771,7 @@ out: > return 0; > > fail: > + kobject_put(>attr_set.kobj); > policy->governor_data = NULL; > sugov_tunables_free(tunables); > -- viresh
[tip:sched/urgent] sched/cpufreq: Fix kobject memleak
Commit-ID: 8bf7ab9c79f3d1a5f02ebac369f656de9ec0aca8 Gitweb: https://git.kernel.org/tip/8bf7ab9c79f3d1a5f02ebac369f656de9ec0aca8 Author: Tobin C. Harding AuthorDate: Tue, 30 Apr 2019 10:11:44 +1000 Committer: Ingo Molnar CommitDate: Tue, 30 Apr 2019 06:24:09 +0200 sched/cpufreq: Fix kobject memleak Currently the error return path from kobject_init_and_add() is not followed by a call to kobject_put() - which means we are leaking the kobject. Fix it by adding a call to kobject_put() in the error path of kobject_init_and_add(). Signed-off-by: Tobin C. Harding Add call to kobject_put() in error path of kobject_init_and_add(). Cc: Greg Kroah-Hartman Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Rafael J. Wysocki Cc: Thomas Gleixner Cc: Tobin C. Harding Cc: Vincent Guittot Cc: Viresh Kumar Link: http://lkml.kernel.org/r/20190430001144.24890-1-to...@kernel.org Signed-off-by: Ingo Molnar --- kernel/sched/cpufreq_schedutil.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 5c41ea367422..3638d2377e3c 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -771,6 +771,7 @@ out: return 0; fail: + kobject_put(>attr_set.kobj); policy->governor_data = NULL; sugov_tunables_free(tunables);