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authorYang Yingliang <yangyingliang@huawei.com>2021-04-06 11:44:34 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-10 10:58:50 +0200
commit0d5cf954656387a595a8d5bb7e376f31829aae4d (patch)
treedf82e000766a09634fa1b4ddbec5753be37894af /drivers/accessibility
parent6c00365d531163a44ce57d862883db9424bd19ab (diff)
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 <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20210406034434.442251-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/accessibility')
-rw-r--r--drivers/accessibility/speakup/i18n.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/accessibility/speakup/i18n.c b/drivers/accessibility/speakup/i18n.c
index ee240d36f947..46bd50f3c3a4 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)) {