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drm/exynos/ipp: remove incorrect checks of list_first_entry result 

list_first_entry does not return NULL on empty list so this check
does not make sense. Moreover there is already code which prevents calling
list_first_entry on empty lists.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2014-07-03 15:10:31 +02:00 committed by Inki Dae
parent 73b00232ac
commit 187d5edf1e
1 changed files with 0 additions and 15 deletions
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15
drivers/gpu/drm/exynos/exynos_drm_ipp.c
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@ -1277,11 +1277,6 @@ static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv,
m_node = list_first_entry(head,
struct drm_exynos_ipp_mem_node, list);
if (!m_node) {
DRM_ERROR("failed to get node.\n");
ret = -EFAULT;
goto err_unlock;
}
DRM_DEBUG_KMS("m_node[0x%x]\n", (int)m_node);
@ -1539,11 +1534,6 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
m_node = list_first_entry(head,
struct drm_exynos_ipp_mem_node, list);
if (!m_node) {
DRM_ERROR("empty memory node.\n");
ret = -ENOMEM;
goto err_mem_unlock;
}
tbuf_id[i] = m_node->buf_id;
DRM_DEBUG_KMS("%s buf_id[%d]\n",
@ -1580,11 +1570,6 @@ static int ipp_send_event(struct exynos_drm_ippdrv *ippdrv,
m_node = list_first_entry(head,
struct drm_exynos_ipp_mem_node, list);
if (!m_node) {
DRM_ERROR("empty memory node.\n");
ret = -ENOMEM;
goto err_mem_unlock;
}
tbuf_id[EXYNOS_DRM_OPS_SRC] = m_node->buf_id;