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-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c5
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c8
-rw-r--r--drivers/infiniband/hw/ipath/ipath_fs.c16
3 files changed, 27 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index f2774ae906bf..24e0df04f7db 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -545,11 +545,14 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
php = to_iwch_pd(pd);
if (mr_rereg_mask & IB_MR_REREG_ACCESS)
mh.attr.perms = iwch_ib_to_tpt_access(acc);
- if (mr_rereg_mask & IB_MR_REREG_TRANS)
+ if (mr_rereg_mask & IB_MR_REREG_TRANS) {
ret = build_phys_page_list(buffer_list, num_phys_buf,
iova_start,
&total_size, &npages,
&shift, &page_list);
+ if (ret)
+ return ret;
+ }
ret = iwch_reregister_mem(rhp, php, &mh, shift, page_list, npages);
kfree(page_list);
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 20f36bf8b2b6..f284be1c9166 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -66,7 +66,9 @@
static void queue_comp_task(struct ehca_cq *__cq);
static struct ehca_comp_pool* pool;
+#ifdef CONFIG_HOTPLUG_CPU
static struct notifier_block comp_pool_callback_nb;
+#endif
static inline void comp_event_callback(struct ehca_cq *cq)
{
@@ -733,6 +735,7 @@ static void take_over_work(struct ehca_comp_pool *pool,
}
+#ifdef CONFIG_HOTPLUG_CPU
static int comp_pool_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
@@ -775,6 +778,7 @@ static int comp_pool_callback(struct notifier_block *nfb,
return NOTIFY_OK;
}
+#endif
int ehca_create_comp_pool(void)
{
@@ -805,9 +809,11 @@ int ehca_create_comp_pool(void)
}
}
+#ifdef CONFIG_HOTPLUG_CPU
comp_pool_callback_nb.notifier_call = comp_pool_callback;
comp_pool_callback_nb.priority =0;
register_cpu_notifier(&comp_pool_callback_nb);
+#endif
printk(KERN_INFO "eHCA scaling code enabled\n");
@@ -821,7 +827,9 @@ void ehca_destroy_comp_pool(void)
if (!ehca_scaling_code)
return;
+#ifdef CONFIG_HOTPLUG_CPU
unregister_cpu_notifier(&comp_pool_callback_nb);
+#endif
for (i = 0; i < NR_CPUS; i++) {
if (cpu_online(i))
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 5b40a846ff95..ed55979bfd34 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -451,12 +451,18 @@ bail:
return ret;
}
-static void remove_file(struct dentry *parent, char *name)
+static int remove_file(struct dentry *parent, char *name)
{
struct dentry *tmp;
+ int ret;
tmp = lookup_one_len(name, parent, strlen(name));
+ if (IS_ERR(tmp)) {
+ ret = PTR_ERR(tmp);
+ goto bail;
+ }
+
spin_lock(&dcache_lock);
spin_lock(&tmp->d_lock);
if (!(d_unhashed(tmp) && tmp->d_inode)) {
@@ -469,6 +475,14 @@ static void remove_file(struct dentry *parent, char *name)
spin_unlock(&tmp->d_lock);
spin_unlock(&dcache_lock);
}
+
+ ret = 0;
+bail:
+ /*
+ * We don't expect clients to care about the return value, but
+ * it's there if they need it.
+ */
+ return ret;
}
static int remove_device_files(struct super_block *sb,
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