From: Yang Yingliang Date: Tue, 6 Apr 2021 03:44:34 +0000 (+0800) Subject: speakup: i18n: Switch to kmemdup_nul() in spk_msg_set() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0d5cf954656387a595a8d5bb7e376f31829aae4d;p=linux.git speakup: i18n: Switch to kmemdup_nul() in spk_msg_set() Use kmemdup_nul() helper instead of open-coding to simplify the code in spk_msg_set(). Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Link: https://lore.kernel.org/r/20210406034434.442251-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/accessibility/speakup/i18n.c b/drivers/accessibility/speakup/i18n.c index ee240d36f947c..46bd50f3c3a42 100644 --- a/drivers/accessibility/speakup/i18n.c +++ b/drivers/accessibility/speakup/i18n.c @@ -548,12 +548,10 @@ ssize_t spk_msg_set(enum msg_index_t index, char *text, size_t length) if ((index < MSG_FIRST_INDEX) || (index >= MSG_LAST_INDEX)) return -EINVAL; - newstr = kmalloc(length + 1, GFP_KERNEL); + newstr = kmemdup_nul(text, length, GFP_KERNEL); if (!newstr) return -ENOMEM; - memcpy(newstr, text, length); - newstr[length] = '\0'; if (index >= MSG_FORMATTED_START && index <= MSG_FORMATTED_END && !fmt_validate(speakup_default_msgs[index], newstr)) {