* [PATCH -next] lkdtm: remove unnecessary terminated-null assign
@ 2020-01-19 12:36 Chen Zhou
0 siblings, 0 replies; only message in thread
From: Chen Zhou @ 2020-01-19 12:36 UTC (permalink / raw)
To: keescook, arnd, gregkh; +Cc: linux-kernel, chenzhou10
scnprintf implementation of kernel guarantees that its result is
terminated with null byte if size is larger than 0. So we don't need
to set terminated-null again.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
drivers/misc/lkdtm/core.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/misc/lkdtm/core.c b/drivers/misc/lkdtm/core.c
index ee0d6e7..5ad2630 100644
--- a/drivers/misc/lkdtm/core.c
+++ b/drivers/misc/lkdtm/core.c
@@ -341,7 +341,6 @@ static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf,
n += scnprintf(buf + n, PAGE_SIZE - n, "%s\n",
crashtypes[i].name);
}
- buf[n] = '\0';
out = simple_read_from_buffer(user_buf, count, off,
buf, n);
--
2.7.4
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