Messages in this thread Patch in this message | | | Date | Thu, 10 Dec 2009 13:37:01 GMT | From | tip-bot for Phil Carmody <> | Subject | [tip:sched/urgent] sched: Fix memory leak in two error corner cases |
| |
Commit-ID: dfc12eb26a285df316be68a808af86964f3bff86 Gitweb: http://git.kernel.org/tip/dfc12eb26a285df316be68a808af86964f3bff86 Author: Phil Carmody <ext-phil.2.carmody@nokia.com> AuthorDate: Thu, 10 Dec 2009 14:29:37 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Thu, 10 Dec 2009 14:28:10 +0100
sched: Fix memory leak in two error corner cases
If the second in each of these pairs of allocations fails, then the first one will not be freed in the error route out.
Found by a static code analysis tool.
Signed-off-by: Phil Carmody <ext-phil.2.carmody@nokia.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1260448177-28448-1-git-send-email-ext-phil.2.carmody@nokia.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> --- kernel/sched.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c index 3de3dea..36cc05a 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -9855,13 +9855,15 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) se = kzalloc_node(sizeof(struct sched_entity), GFP_KERNEL, cpu_to_node(i)); if (!se) - goto err; + goto err_free_rq; init_tg_cfs_entry(tg, cfs_rq, se, i, 0, parent->se[i]); } return 1; + err_free_rq: + kfree(cfs_rq); err: return 0; } @@ -9943,13 +9945,15 @@ int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent) rt_se = kzalloc_node(sizeof(struct sched_rt_entity), GFP_KERNEL, cpu_to_node(i)); if (!rt_se) - goto err; + goto err_free_rq; init_tg_rt_entry(tg, rt_rq, rt_se, i, 0, parent->rt_se[i]); } return 1; + err_free_rq: + kfree(rt_rq); err: return 0; }
| |