diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/file.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/file.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 9738de727f3..e63426822fd 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -620,8 +620,12 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, { int ret; - if ((ret = spu_run_init(ctx, npc, status)) != 0) - return ret; + if (down_interruptible(&ctx->run_sema)) + return -ERESTARTSYS; + + ret = spu_run_init(ctx, npc, status); + if (ret) + goto out; do { ret = spufs_wait(ctx->stop_wq, spu_stopped(ctx, status)); @@ -629,9 +633,8 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, break; if (unlikely(ctx->state != SPU_STATE_RUNNABLE)) { ret = spu_reacquire_runnable(ctx, npc, status); - if (ret) { - return ret; - } + if (ret) + goto out; continue; } ret = spu_process_events(ctx); @@ -645,6 +648,8 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, ret = *status; spu_yield(ctx); +out: + up(&ctx->run_sema); return ret; } |