diff options
| -rw-r--r-- | drivers/gpu/msm/kgsl.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/msm/kgsl.c b/drivers/gpu/msm/kgsl.c index 990c9bca5127..afb489f10172 100644 --- a/drivers/gpu/msm/kgsl.c +++ b/drivers/gpu/msm/kgsl.c @@ -2210,21 +2210,23 @@ static int kgsl_setup_dmabuf_useraddr(struct kgsl_device *device, if (fd != 0) dmabuf = dma_buf_get(fd - 1); } - up_read(¤t->mm->mmap_sem); - if (IS_ERR_OR_NULL(dmabuf)) + if (IS_ERR_OR_NULL(dmabuf)) { + up_read(¤t->mm->mmap_sem); return dmabuf ? PTR_ERR(dmabuf) : -ENODEV; + } ret = kgsl_setup_dma_buf(device, pagetable, entry, dmabuf); if (ret) { dma_buf_put(dmabuf); + up_read(¤t->mm->mmap_sem); return ret; } /* Setup the user addr/cache mode for cache operations */ entry->memdesc.useraddr = hostptr; _setup_cache_mode(entry, vma); - + up_read(¤t->mm->mmap_sem); return 0; } #else |