drm/tinydrm: Use kmemdup rather than duplicating its implementation i…

…n repaper_spi_transfer() use kmemdup rather than duplicating its implementation Signed-off-by: YueHaibing <[email protected]> Signed-off-by: Noralf Trønnes <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
brucespang · Dec 4, 2018 · 5ff75c4 · 5ff75c4
1 parent 77e9c35
commit 5ff75c4
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/drivers/gpu/drm/tinydrm/repaper.c b/drivers/gpu/drm/tinydrm/repaper.c
@@ -108,12 +108,11 @@ static int repaper_spi_transfer(struct spi_device *spi, u8 header,
 
 	/* Stack allocated tx? */
 	if (tx && len <= 32) {
-		txbuf = kmalloc(len, GFP_KERNEL);
+		txbuf = kmemdup(tx, len, GFP_KERNEL);
 		if (!txbuf) {
 			ret = -ENOMEM;
 			goto out_free;
 		}
-		memcpy(txbuf, tx, len);
 	}
 
 	if (rx) {