Den 01.08.2017 22.14, skrev David Lechner:
If we return here and import_attach is true, then dma_buf_end_cpu_access()
will not be called balance dma_buf_begin_cpu_access().
Fix by setting ret instead of returning.
Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
Reviewed-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
drivers/gpu/drm/tinydrm/mipi-dbi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index c83eeb7..e10fa4b 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -183,7 +183,8 @@ static int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
dev_err_once(fb->dev->dev, "Format is not supported: %s\n",
drm_get_format_name(fb->format->format,
&format_name));
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
if (import_attach)
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