diff mbox series

[v2,07/18] auxdisplay: linedisp: Use kmemdup_nul() helper

Message ID 20210625125902.1162428-8-geert@linux-m68k.org
State Superseded
Headers show
Series auxdisplay: ht16k33: Add character display support | expand

Commit Message

Geert Uytterhoeven June 25, 2021, 12:58 p.m. UTC 
Use the existing kmemdup_nul() helper instead of open-coding the same
operation.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
v2:
  - No changes.
---
 drivers/auxdisplay/line-display.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/auxdisplay/line-display.c b/drivers/auxdisplay/line-display.c
index 4b97c20ac0b381ee..3f35199bc39f511f 100644
--- a/drivers/auxdisplay/line-display.c
+++ b/drivers/auxdisplay/line-display.c
@@ -91,13 +91,10 @@  static int linedisp_display(struct linedisp *linedisp, const char *msg,
 		return 0;
 	}
 
-	new_msg = kmalloc(count + 1, GFP_KERNEL);
+	new_msg = kmemdup_nul(msg, count, GFP_KERNEL);
 	if (!new_msg)
 		return -ENOMEM;
 
-	memcpy(new_msg, msg, count);
-	new_msg[count] = 0;
-
 	kfree(linedisp->message);
 
 	linedisp->message = new_msg;