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s390/zcrypt: 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.cn>
Link: https://lore.kernel.org/r/202301052024349365834@zte.com.cn
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Xu Panda
2023-01-05 20:24:34 +08:00
committed by Heiko Carstens
parent beb060ed20
commit a43e3115fb
1 changed files with 2 additions and 4 deletions
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6
drivers/s390/crypto/zcrypt_api.c
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@@ -347,8 +347,7 @@ static ssize_t zcdn_create_store(struct class *class,
int rc;
char name[ZCDN_MAX_NAME];
strncpy(name, skip_spaces(buf), sizeof(name));
name[sizeof(name) - 1] = '\0';
strscpy(name, skip_spaces(buf), sizeof(name));
rc = zcdn_create(strim(name));
@@ -365,8 +364,7 @@ static ssize_t zcdn_destroy_store(struct class *class,
int rc;
char name[ZCDN_MAX_NAME];
strncpy(name, skip_spaces(buf), sizeof(name));
name[sizeof(name) - 1] = '\0';
strscpy(name, skip_spaces(buf), sizeof(name));
rc = zcdn_destroy(strim(name));