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authorGeert Uytterhoeven <geert@linux-m68k.org>2021-10-19 17:45:06 +0300
committerMiguel Ojeda <ojeda@kernel.org>2021-10-22 00:36:29 +0300
commit364f2c392f2b38ba3c52933f11a8dbee71f28864 (patch)
tree61765b33e4ac7a3e0cf851256459f789fa1413b5 /drivers/auxdisplay
parent7e76aece6f036cb7ada4858d6aa73825bfe22983 (diff)
downloadlinux-364f2c392f2b38ba3c52933f11a8dbee71f28864.tar.xz
auxdisplay: linedisp: Use kmemdup_nul() helper
Use the existing kmemdup_nul() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'drivers/auxdisplay')
-rw-r--r--drivers/auxdisplay/line-display.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/auxdisplay/line-display.c b/drivers/auxdisplay/line-display.c
index 4b97c20ac0b3..3f35199bc39f 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;