From: Yu Kuai <yukuai3@huawei.com> mainline inclusion from mainline-v5.13-rc1 commit 63bbdb4ea02b17f929fa4f5c536357183eba9639 category: bugfix bugzilla: 187303, https://gitee.com/openeuler/kernel/issues/I5ZXTT CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... ------------------------------- The sparse tool complains as follows: drivers/tty/hvc/hvc_udbg.c:20:19: warning: symbol 'hvc_udbg_dev' was not declared. Should it be static? This symbol is not used outside of hvc_udbg.c, so this commit marks it static. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yu Kuai <yukuai3@huawei.com> Link: https://lore.kernel.org/r/20210407125826.4139130-1-yukuai3@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Cai Xinchen <caixinchen1@huawei.com> Reviewed-by: GONG Ruiqi <gongruiqi1@huawei.com> Reviewed-by: Wang Weiyang <wangweiyang2@huawei.com> Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/tty/hvc/hvc_udbg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/hvc/hvc_udbg.c b/drivers/tty/hvc/hvc_udbg.c index a4c9913f76a0..ff0dcc56413c 100644 --- a/drivers/tty/hvc/hvc_udbg.c +++ b/drivers/tty/hvc/hvc_udbg.c @@ -17,7 +17,7 @@ #include "hvc_console.h" -struct hvc_struct *hvc_udbg_dev; +static struct hvc_struct *hvc_udbg_dev; static int hvc_udbg_put(uint32_t vtermno, const char *buf, int count) { -- 2.20.1