[PATCH] drm/i915:Move the code position to reduce the number of judgments

[Lv qian]

        If the kmalloc allocation is successful, the if is judged twice, 
        so I move the second judgment in to the first judgment.

Signed-off-by: Lv qian <lvq...@nfschina.com>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c 
b/drivers/gpu/drm/i915/i915_gpu_error.c
index 32e92651ef7c..c8230a8beadb 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -112,10 +112,10 @@ static bool __i915_error_grow(struct 
drm_i915_error_state_buf *e, size_t len)
        if (!e->buf) {
                e->size = PAGE_ALIGN(len + 1);
                e->buf = kmalloc(e->size, GFP_KERNEL);
-       }
-       if (!e->buf) {
-               e->err = -ENOMEM;
-               return false;
+               if (!e->buf) {
+                       e->err = -ENOMEM;
+                       return false;
+               }
        }
 
        return true;
-- 
2.18.2