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drm/via: reduce no need mutex_lock area

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In function via_mem_alloc`s error branch, DRM_ERROR is protected
in the mutex_lock(&dev->struct_mutex) area.
>From the code, we see that DRM_ERROR is just an error log print
without any struct element, there is no need to protect this.

Signed-off-by: Bernard Zhao <bernard@vivo.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200814083021.8962-1-bernard@vivo.com
This commit is contained in:
Bernard Zhao 2020-08-14 01:30:19 -07:00 committed by Sam Ravnborg
parent 77bb5aaf2b
commit 14212fe77e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/via/via_mm.c
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@ -129,9 +129,9 @@ int via_mem_alloc(struct drm_device *dev, void *data,
mutex_lock(&dev->struct_mutex);
if (0 == ((mem->type == VIA_MEM_VIDEO) ? dev_priv->vram_initialized :
dev_priv->agp_initialized)) {
mutex_unlock(&dev->struct_mutex);
DRM_ERROR
("Attempt to allocate from uninitialized memory manager.\n");
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}