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of: base: use strscpy() to instead of strncpy()

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The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Link: https://lore.kernel.org/r/202212231039128402297@zte.com.cn
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Xu Panda 2022-12-23 10:39:12 +08:00 committed by Rob Herring
parent 00f2a08cd7
commit a98bf9df1c
1 changed files with 1 additions and 2 deletions
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3
drivers/of/base.c
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@ -1884,8 +1884,7 @@ static void of_alias_add(struct alias_prop *ap, struct device_node *np,
{
ap->np = np;
ap->id = id;
strncpy(ap->stem, stem, stem_len);
ap->stem[stem_len] = 0;
strscpy(ap->stem, stem, stem_len + 1);
list_add_tail(&ap->link, &aliases_lookup);
pr_debug("adding DT alias:%s: stem=%s id=%i node=%pOF\n",
ap->alias, ap->stem, ap->id, np);