| Message ID | 20210322144848.1065067-8-geert@linux-m68k.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | auxdisplay: ht16k33: Add character display support | expand |
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;
Use the existing kmemdup_nul() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> --- drivers/auxdisplay/line-display.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)