[PATCH v4 07/19] auxdisplay: linedisp: Use kmemdup_nul() helper
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2021-07-27 14:07:23
Also in:
linux-devicetree, linux-leds, lkml
Subsystem:
auxiliary display drivers, the rest · Maintainers:
Andy Shevchenko, Linus Torvalds
Use the existing kmemdup_nul() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> --- v4: - No changes, v3: - No changes, v2: - No changes. --- drivers/auxdisplay/line-display.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
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;
--
2.25.1