[PATCH 3/6] staging: sm750fb: sm750_hw_copyarea: propagate de_wait() error

[Soham Kute <officialsohamkute@gmail.com>]

Propagate the error from accel->de_wait() instead of returning -1.
The caller ignores the return value.

Signed-off-by: Soham Kute <officialsohamkute@gmail.com>
---
 drivers/staging/sm750fb/sm750_accel.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
index 1bd0502db039..f2fde011e7ca 100644
--- a/drivers/staging/sm750fb/sm750_accel.c
+++ b/drivers/staging/sm750fb/sm750_accel.c
@@ -152,6 +152,7 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 		      unsigned int rop2)
 {
 	unsigned int nDirection, de_ctrl;
+	int ret;
 
 	nDirection = LEFT_TO_RIGHT;
 	/* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */
@@ -261,8 +262,9 @@ int sm750_hw_copyarea(struct lynx_accel *accel,
 		   DE_WINDOW_WIDTH_DST_MASK) |
 		  (sPitch / Bpp & DE_WINDOW_WIDTH_SRC_MASK)); /* dpr3c */
 
-	if (accel->de_wait() != 0)
-		return -1;
+	ret = accel->de_wait();
+	if (ret)
+		return ret;
 
 	write_dpr(accel, DE_SOURCE,
 		  ((sx << DE_SOURCE_X_K1_SHIFT) & DE_SOURCE_X_K1_MASK) |
-- 
2.34.1