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RDMA/core: Use kzalloc_flex for GID table

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Simplifies allocations by using a flexible array member in struct ib_gid_table.

Add __counted_by to get extra runtime analysis.

Signed-off-by: Rosen Penev <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Leon Romanovsky <[email protected]>
This commit is contained in:
Rosen Penev authored and Leon Romanovsky committed 2026-03-30 13:47:45 -04:00
1 parent dbeb256e8d
commit cef2842c92
1 file changed
+3 -11
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drivers/infiniband/core/cache.c
+3 -11
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@@ -116,9 +116,9 @@ struct ib_gid_table {
/* rwlock protects data_vec[ix]->state and entry pointer.
*/
rwlock_t rwlock;
struct ib_gid_table_entry **data_vec;
/* bit field, each bit indicates the index of default GID */
u32 default_gid_indices;
struct ib_gid_table_entry *data_vec[] __counted_by(sz);
};
static void dispatch_gid_change_event(struct ib_device *ib_dev, u32 port)
@@ -770,24 +770,16 @@ const struct ib_gid_attr *rdma_find_gid_by_filter(
static struct ib_gid_table *alloc_gid_table(int sz)
{
struct ib_gid_table *table = kzalloc_obj(*table);
struct ib_gid_table *table = kzalloc_flex(*table, data_vec, sz);
if (!table)
return NULL;
table->data_vec = kzalloc_objs(*table->data_vec, sz);
if (!table->data_vec)
goto err_free_table;
table->sz = sz;
mutex_init(&table->lock);
table->sz = sz;
rwlock_init(&table->rwlock);
return table;
err_free_table:
kfree(table);
return NULL;
}
static void release_gid_table(struct ib_device *device,