[PATCH 4/6] staging: sm750fb: sm750_hw_imageblit: 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 | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c
index f2fde011e7ca..7d11810864ae 100644
--- a/drivers/staging/sm750fb/sm750_accel.c
+++ b/drivers/staging/sm750fb/sm750_accel.c
@@ -325,15 +325,16 @@ int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf,
 	unsigned int ulBytesRemain;
 	unsigned int de_ctrl = 0;
 	unsigned char ajRemain[4];
-	int i, j;
+	int i, j, ret;
 
 	startBit &= 7; /* Just make sure the start bit is within legal range */
 	ulBytesPerScan = (width + startBit + 7) / 8;
 	ul4BytesPerScan = ulBytesPerScan & ~3;
 	ulBytesRemain = ulBytesPerScan & 3;
 
-	if (accel->de_wait() != 0)
-		return -1;
+	ret = accel->de_wait();
+	if (ret)
+		return ret;
 
 	/*
 	 * 2D Source Base.
-- 
2.34.1