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authorBernard Zhao <bernard@vivo.com>2020-08-14 01:30:19 -0700
committerSam Ravnborg <sam@ravnborg.org>2020-10-17 10:10:24 +0200
commit14212fe77ef6f9b0ec61f9ad946dea90a22496ec (patch)
treeb98f2542c741140a85ecc20d559ed5be897c338c /drivers/gpu/drm/via
parent77bb5aaf2bb8180e7d1bb70b4df306f511707a7d (diff)
downloadlinux-14212fe77ef6f9b0ec61f9ad946dea90a22496ec.tar.bz2
drm/via: reduce no need mutex_lock area
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
Diffstat (limited to 'drivers/gpu/drm/via')
-rw-r--r--drivers/gpu/drm/via/via_mm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c
index 45cc9e900260..dae1bacd86c1 100644
--- a/drivers/gpu/drm/via/via_mm.c
+++ b/drivers/gpu/drm/via/via_mm.c
@@ -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;
}