The patch titled
Return error on create_comp_task() failure
has been added to the -mm tree. Its filename is
return-error-on-create_comp_task-failure.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Return error on create_comp_task() failure
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Free allocated data and returns error to avoid module loading if
create_comp_task() failed.
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Hoang-Nam Nguyen <hnguyen@xxxxxxxxxx>
Cc: Christoph Raisch <raisch@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Roland Dreier <rolandd@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/infiniband/hw/ehca/ehca_irq.c | 37 ++++++++++++++++++------
1 file changed, 29 insertions(+), 8 deletions(-)
diff -puN drivers/infiniband/hw/ehca/ehca_irq.c~return-error-on-create_comp_task-failure drivers/infiniband/hw/ehca/ehca_irq.c
--- a/drivers/infiniband/hw/ehca/ehca_irq.c~return-error-on-create_comp_task-failure
+++ a/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -718,11 +718,12 @@ static int comp_pool_callback(struct not
#endif
+#ifdef CONFIG_INFINIBAND_EHCA_SCALING
+
int ehca_create_comp_pool(void)
{
-#ifdef CONFIG_INFINIBAND_EHCA_SCALING
int cpu;
- struct task_struct *task;
+ int err;
pool = kzalloc(sizeof(struct ehca_comp_pool), GFP_KERNEL);
if (pool == NULL)
@@ -738,21 +739,41 @@ int ehca_create_comp_pool(void)
}
for_each_online_cpu(cpu) {
- task = create_comp_task(pool, cpu);
- if (!IS_ERR(task)) {
- kthread_bind(task, cpu);
- wake_up_process(task);
+ struct task_struct *task = create_comp_task(pool, cpu);
+
+ if (IS_ERR(task)) {
+ err = PTR_ERR(task);
+ goto err_comp_task;
}
+ kthread_bind(task, cpu);
+ wake_up_process(task);
}
comp_pool_callback_nb.notifier_call = comp_pool_callback;
- comp_pool_callback_nb.priority =0;
+ comp_pool_callback_nb.priority = 0;
register_cpu_notifier(&comp_pool_callback_nb);
-#endif
return 0;
+
+err_comp_task:
+ for_each_online_cpu(cpu)
+ destroy_comp_task(pool, cpu);
+
+ free_percpu(pool->cpu_comp_tasks);
+ kfree(pool);
+
+ return err;
+}
+
+#else
+
+int ehca_create_comp_pool(void)
+{
+ return 0;
}
+#endif
+
void ehca_destroy_comp_pool(void)
{
#ifdef CONFIG_INFINIBAND_EHCA_SCALING
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
powerpc-use-is_init.patch
git-dvb.patch
ehca-fix-kthread_create-error-check.patch
ehca-fix-do_mmap-error-check.patch
ehca-avoid-crash-on-kthread_create-failure.patch
return-error-on-create_comp_task-failure.patch
git-input.patch
git-mtd.patch
net-use-bitrev8.patch
auth_gss-unregister-gss_domain-when-unloading-module.patch
iscsi-fix-crypto_alloc_hash-error-check.patch
git-watchdog.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
