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-rw-r--r--block/blk-ioc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index 1e2d53b04858..893b8007c657 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -235,6 +235,7 @@ void ioc_clear_queue(struct request_queue *q)
235int create_task_io_context(struct task_struct *task, gfp_t gfp_flags, int node) 235int create_task_io_context(struct task_struct *task, gfp_t gfp_flags, int node)
236{ 236{
237 struct io_context *ioc; 237 struct io_context *ioc;
238 int ret;
238 239
239 ioc = kmem_cache_alloc_node(iocontext_cachep, gfp_flags | __GFP_ZERO, 240 ioc = kmem_cache_alloc_node(iocontext_cachep, gfp_flags | __GFP_ZERO,
240 node); 241 node);
@@ -262,9 +263,12 @@ int create_task_io_context(struct task_struct *task, gfp_t gfp_flags, int node)
262 task->io_context = ioc; 263 task->io_context = ioc;
263 else 264 else
264 kmem_cache_free(iocontext_cachep, ioc); 265 kmem_cache_free(iocontext_cachep, ioc);
266
267 ret = task->io_context ? 0 : -EBUSY;
268
265 task_unlock(task); 269 task_unlock(task);
266 270
267 return 0; 271 return ret;
268} 272}
269 273
270/** 274/**