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-rw-r--r--drivers/crypto/hisilicon/qm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 17f84dbc8bbe..25c54146cca1 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -932,7 +932,8 @@ static ssize_t qm_debug_read(struct file *filp, char __user *buf,
return -EINVAL;
}
mutex_unlock(&file->lock);
- ret = sprintf(tbuf, "%u\n", val);
+
+ ret = scnprintf(tbuf, QM_DBG_TMP_BUF_LEN, "%u\n", val);
return simple_read_from_buffer(buf, count, pos, tbuf, ret);
}